diff --git a/apps/api/src/db/0004_add_tutorial_progress.sql b/apps/api/src/db/0004_add_tutorial_progress.sql new file mode 100644 index 0000000..9291b82 --- /dev/null +++ b/apps/api/src/db/0004_add_tutorial_progress.sql @@ -0,0 +1,13 @@ +CREATE TABLE "tutorial_progress" ( + "user_id" integer NOT NULL, + "tutorial_id" integer NOT NULL, + "view_count" integer DEFAULT 0 NOT NULL, + "total_seconds" integer DEFAULT 0 NOT NULL, + "first_viewed_at" timestamp with time zone NOT NULL, + "last_viewed_at" timestamp with time zone NOT NULL, + CONSTRAINT "tutorial_progress_pkey" PRIMARY KEY("user_id","tutorial_id") +); +--> statement-breakpoint +ALTER TABLE "tutorial_progress" ADD CONSTRAINT "tutorial_progress_user_id_fk_user_id" FOREIGN KEY ("user_id") REFERENCES "public"."user"("id") ON DELETE cascade ON UPDATE no action;--> statement-breakpoint +ALTER TABLE "tutorial_progress" ADD CONSTRAINT "tutorial_progress_tutorial_id_fk_tutorial_id" FOREIGN KEY ("tutorial_id") REFERENCES "public"."tutorial"("id") ON DELETE cascade ON UPDATE no action;--> statement-breakpoint +CREATE INDEX "tutorial_progress_tutorial_id_idx" ON "tutorial_progress" USING btree ("tutorial_id"); \ No newline at end of file diff --git a/apps/api/src/db/0005_add_exercise_attempt.sql b/apps/api/src/db/0005_add_exercise_attempt.sql new file mode 100644 index 0000000..729723e --- /dev/null +++ b/apps/api/src/db/0005_add_exercise_attempt.sql @@ -0,0 +1,17 @@ +CREATE TABLE "exercise_attempt" ( + "user_id" integer NOT NULL, + "exercise_id" integer NOT NULL, + "attempts" integer DEFAULT 0 NOT NULL, + "wrong_attempts" integer DEFAULT 0 NOT NULL, + "solved" boolean DEFAULT false NOT NULL, + "attempts_to_solve" integer, + "last_wrong_answer" text, + "first_attempt_at" timestamp with time zone NOT NULL, + "last_attempt_at" timestamp with time zone NOT NULL, + "solved_at" timestamp with time zone, + CONSTRAINT "exercise_attempt_pkey" PRIMARY KEY("user_id","exercise_id") +); +--> statement-breakpoint 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"asc": true, + "nulls": "last", + "opclass": "int4_ops" + } + ], + "isUnique": false, + "concurrently": false, + "method": "btree", + "with": {} + } + }, + "foreignKeys": { + "tutorial_created_by_id_07973cab_fk_user_id": { + "name": "tutorial_created_by_id_07973cab_fk_user_id", + "tableFrom": "tutorial", + "tableTo": "user", + "columnsFrom": [ + "created_by_id" + ], + "columnsTo": [ + "id" + ], + "onDelete": "no action", + "onUpdate": "no action" + } + }, + "compositePrimaryKeys": {}, + "uniqueConstraints": {}, + "policies": {}, + "checkConstraints": {}, + "isRLSEnabled": false + }, + "public.tutorial_progress": { + "name": "tutorial_progress", + "schema": "", + "columns": { + "user_id": { + "name": "user_id", + "type": "integer", + "primaryKey": false, + "notNull": true + }, + "tutorial_id": { + "name": "tutorial_id", + "type": "integer", + "primaryKey": false, + "notNull": true + }, + "view_count": { + "name": "view_count", + "type": "integer", + "primaryKey": false, + "notNull": true, + "default": 0 + }, + "total_seconds": { + "name": "total_seconds", + "type": "integer", + "primaryKey": false, + "notNull": true, + "default": 0 + }, + "first_viewed_at": { + "name": "first_viewed_at", + "type": "timestamp with time zone", + "primaryKey": false, + "notNull": true + }, + "last_viewed_at": { + "name": "last_viewed_at", + "type": "timestamp with time zone", + "primaryKey": false, + "notNull": true + } + }, + "indexes": { + "tutorial_progress_tutorial_id_idx": { + "name": "tutorial_progress_tutorial_id_idx", + "columns": [ + { + "expression": "tutorial_id", + "isExpression": false, + "asc": true, + "nulls": "last" + } + ], + "isUnique": false, + "concurrently": false, + "method": "btree", + "with": {} + } + }, + "foreignKeys": { + "tutorial_progress_user_id_fk_user_id": { + "name": "tutorial_progress_user_id_fk_user_id", + "tableFrom": "tutorial_progress", + "tableTo": "user", + "columnsFrom": [ + "user_id" + ], + "columnsTo": [ + "id" + ], + "onDelete": "cascade", + "onUpdate": "no action" + }, + "tutorial_progress_tutorial_id_fk_tutorial_id": { + "name": "tutorial_progress_tutorial_id_fk_tutorial_id", + "tableFrom": "tutorial_progress", + "tableTo": "tutorial", + "columnsFrom": [ + "tutorial_id" + ], + "columnsTo": [ + "id" + ], + "onDelete": "cascade", + "onUpdate": "no action" + } + }, + "compositePrimaryKeys": { + "tutorial_progress_pkey": { + "name": "tutorial_progress_pkey", + "columns": [ + "user_id", + "tutorial_id" + ] + } + }, + "uniqueConstraints": {}, + "policies": {}, + "checkConstraints": {}, + "isRLSEnabled": false + }, + "public.user": { + "name": "user", + "schema": "", + "columns": { + "id": { + "name": "id", + "type": "serial", + "primaryKey": true, + "notNull": true + }, + "password": { + "name": "password", + "type": "varchar(128)", + "primaryKey": false, + "notNull": true + }, + "last_login": { + "name": "last_login", + "type": "timestamp with time zone", + "primaryKey": false, + "notNull": false + }, + "username": { + "name": "username", + "type": "text", + "primaryKey": false, + "notNull": true + }, + "email": { + "name": "email", + "type": "text", + "primaryKey": false, + "notNull": false + }, + "create_time": { + "name": "create_time", + "type": "timestamp with time zone", + "primaryKey": false, + "notNull": false + }, + "admin_type": { + "name": "admin_type", + "type": "text", + "primaryKey": false, + "notNull": true + }, + "auth_token": { + "name": "auth_token", + "type": "text", + "primaryKey": false, + "notNull": false + }, + "open_api": { + "name": "open_api", + "type": "boolean", + "primaryKey": false, + "notNull": true, + "default": false + }, + "open_api_appkey": { + "name": "open_api_appkey", + "type": "text", + "primaryKey": false, + "notNull": false + }, + "is_disabled": { + "name": "is_disabled", + "type": "boolean", + "primaryKey": false, + "notNull": true, + "default": false + }, + "problem_permission": { + "name": "problem_permission", + "type": "text", + "primaryKey": false, + "notNull": true + }, + "session_keys": { + "name": "session_keys", + "type": "jsonb", + "primaryKey": false, + "notNull": true, + "default": "'[]'::jsonb" + }, + "raw_password": { + "name": "raw_password", + "type": "varchar(20)", + "primaryKey": false, + "notNull": false + }, + "class_name": { + "name": "class_name", + "type": "text", + "primaryKey": false, + "notNull": false + } + }, + "indexes": {}, + "foreignKeys": {}, + "compositePrimaryKeys": {}, + "uniqueConstraints": { + "user_username_key": { + "name": "user_username_key", + "nullsNotDistinct": false, + "columns": [ + "username" + ] + } + }, + "policies": {}, + "checkConstraints": {}, + "isRLSEnabled": false + }, + "public.user_achievement": { + "name": "user_achievement", + "schema": "", + "columns": { + "id": { + "name": "id", + "type": "bigint", + "primaryKey": true, + "notNull": true, + "identity": { + "type": "byDefault", + "name": "user_achievement_id_seq", + "schema": "public", + "increment": "1", + "startWith": "1", + "minValue": "1", + "maxValue": "9223372036854775807", + "cache": "1", + "cycle": false + } + }, + "unlock_time": { + "name": "unlock_time", + "type": "timestamp with time zone", + "primaryKey": false, + "notNull": true + }, + "backfilled": { + "name": "backfilled", + "type": "boolean", + "primaryKey": false, + "notNull": true, + "default": false + }, + "notified": { + "name": "notified", + "type": "boolean", + "primaryKey": false, + "notNull": true, + "default": false + }, + "achievement_id": { + "name": "achievement_id", + "type": "bigint", + "primaryKey": false, + "notNull": true + }, + "user_id": { + "name": "user_id", + "type": "integer", + "primaryKey": false, + "notNull": true + } + }, + "indexes": { + "user_achievement_achievement_id_29db600d": { + "name": "user_achievement_achievement_id_29db600d", + "columns": [ + { + "expression": "achievement_id", + "isExpression": false, + "asc": true, + "nulls": "last", + "opclass": "int8_ops" + } + ], + "isUnique": false, + "concurrently": false, + "method": "btree", + "with": {} + }, + "user_achievement_user_id_b8ec7d6a": { + "name": "user_achievement_user_id_b8ec7d6a", + "columns": [ + { + "expression": "user_id", + "isExpression": false, + "asc": true, + "nulls": "last", + "opclass": "int4_ops" + } + ], + "isUnique": false, + "concurrently": false, + "method": "btree", + "with": {} + }, + "user_achv_notified_idx": { + "name": "user_achv_notified_idx", + "columns": [ + { + "expression": "user_id", + "isExpression": false, + "asc": true, + "nulls": "last", + "opclass": "int4_ops" + }, + { + "expression": "notified", + "isExpression": false, + "asc": true, + "nulls": "last", + "opclass": "bool_ops" + } + ], + "isUnique": false, + "concurrently": false, + "method": "btree", + "with": {} + }, + "user_achv_time_idx": { + "name": "user_achv_time_idx", + "columns": [ + { + "expression": "user_id", + "isExpression": false, + "asc": true, + "nulls": "last", + "opclass": "int4_ops" + }, + { + "expression": "unlock_time", + "isExpression": false, + "asc": false, + "nulls": "first", + "opclass": "timestamptz_ops" + } + ], + "isUnique": false, + "concurrently": false, + "method": "btree", + "with": {} + } + }, + "foreignKeys": { + "user_achievement_achievement_id_29db600d_fk_achievement_id": { + "name": "user_achievement_achievement_id_29db600d_fk_achievement_id", + "tableFrom": "user_achievement", + "tableTo": "achievement", + "columnsFrom": [ + "achievement_id" + ], + "columnsTo": [ + "id" + ], + "onDelete": "no action", + "onUpdate": "no action" + }, + "user_achievement_user_id_b8ec7d6a_fk_user_id": { + "name": "user_achievement_user_id_b8ec7d6a_fk_user_id", + "tableFrom": "user_achievement", + "tableTo": "user", + "columnsFrom": [ + "user_id" + ], + "columnsTo": [ + "id" + ], + "onDelete": "no action", + "onUpdate": "no action" + } + }, + "compositePrimaryKeys": {}, + "uniqueConstraints": { + "unique_user_achievement": { + "name": "unique_user_achievement", + "nullsNotDistinct": false, + "columns": [ + "achievement_id", + "user_id" + ] + } + }, + "policies": {}, + "checkConstraints": {}, + "isRLSEnabled": false + }, + "public.user_badge": { + "name": "user_badge", + "schema": "", + "columns": { + "id": { + "name": "id", + "type": "bigint", + "primaryKey": true, + "notNull": true, + "identity": { + "type": "byDefault", + "name": "user_badge_id_seq", + "schema": "public", + "increment": "1", + "startWith": "1", + "minValue": "1", + "maxValue": "9223372036854775807", + "cache": "1", + "cycle": false + } + }, + "earned_time": { + "name": "earned_time", + "type": "timestamp with time zone", + "primaryKey": false, + "notNull": true + }, + "badge_id": { + "name": "badge_id", + "type": "bigint", + "primaryKey": false, + "notNull": true + }, + "user_id": { + "name": "user_id", + "type": "integer", + "primaryKey": false, + "notNull": true + } + }, + "indexes": { + "user_badge_badge_id_92a983e9": { + "name": "user_badge_badge_id_92a983e9", + "columns": [ + { + "expression": "badge_id", + "isExpression": false, + "asc": true, + "nulls": "last", + "opclass": "int8_ops" + } + ], + "isUnique": false, + "concurrently": false, + "method": "btree", + "with": {} + }, + "user_badge_user_id_a286d718": { + "name": "user_badge_user_id_a286d718", + "columns": [ + { + "expression": "user_id", + "isExpression": false, + "asc": true, + "nulls": "last", + "opclass": "int4_ops" + } + ], + "isUnique": false, + "concurrently": false, + "method": "btree", + "with": {} + } + }, + "foreignKeys": { + "user_badge_badge_id_92a983e9_fk_problemset_badge_id": { + "name": "user_badge_badge_id_92a983e9_fk_problemset_badge_id", + "tableFrom": "user_badge", + "tableTo": "problemset_badge", + "columnsFrom": [ + "badge_id" + ], + "columnsTo": [ + "id" + ], + "onDelete": "no action", + "onUpdate": "no action" + }, + "user_badge_user_id_a286d718_fk_user_id": { + "name": "user_badge_user_id_a286d718_fk_user_id", + "tableFrom": "user_badge", + "tableTo": "user", + "columnsFrom": [ + "user_id" + ], + "columnsTo": [ + "id" + ], + "onDelete": "no action", + "onUpdate": "no action" + } + }, + "compositePrimaryKeys": {}, + "uniqueConstraints": { + "unique_user_badge": { + "name": "unique_user_badge", + "nullsNotDistinct": false, + "columns": [ + "badge_id", + "user_id" + ] + } + }, + "policies": {}, + "checkConstraints": {}, + "isRLSEnabled": false + }, + "public.user_profile": { + "name": "user_profile", + "schema": "", + "columns": { + "id": { + "name": "id", + "type": "serial", + "primaryKey": true, + "notNull": true + }, + "acm_problems_status": { + "name": "acm_problems_status", + "type": "jsonb", + "primaryKey": false, + "notNull": true, + "default": "'{}'::jsonb" + }, + "avatar": { + "name": "avatar", + "type": "text", + "primaryKey": false, + "notNull": true + }, + "blog": { + "name": "blog", + "type": "varchar(200)", + "primaryKey": false, + "notNull": false + }, + "mood": { + "name": "mood", + "type": "text", + "primaryKey": false, + "notNull": false + }, + "accepted_number": { + "name": "accepted_number", + "type": "integer", + "primaryKey": false, + "notNull": true, + "default": 0 + }, + "submission_number": { + "name": "submission_number", + "type": "integer", + "primaryKey": false, + "notNull": true, + "default": 0 + }, + "github": { + "name": "github", + "type": "text", + "primaryKey": false, + "notNull": false + }, + "school": { + "name": "school", + "type": "text", + "primaryKey": false, + "notNull": false + }, + "major": { + "name": "major", + "type": "text", + "primaryKey": false, + "notNull": false + }, + "user_id": { + "name": "user_id", + "type": "integer", + "primaryKey": false, + "notNull": true + }, + "real_name": { + "name": "real_name", + "type": "text", + "primaryKey": false, + "notNull": false + }, + "language": { + "name": "language", + "type": "text", + "primaryKey": false, + "notNull": false + } + }, + "indexes": {}, + "foreignKeys": { + "user_profile_user_id_8fdce8e2_fk_user_id": { + "name": "user_profile_user_id_8fdce8e2_fk_user_id", + "tableFrom": "user_profile", + "tableTo": "user", + "columnsFrom": [ + "user_id" + ], + "columnsTo": [ + "id" + ], + "onDelete": "no action", + "onUpdate": "no action" + } + }, + "compositePrimaryKeys": {}, + "uniqueConstraints": { + "user_profile_user_id_key": { + "name": "user_profile_user_id_key", + "nullsNotDistinct": false, + "columns": [ + "user_id" + ] + } + }, + "policies": {}, + "checkConstraints": {}, + "isRLSEnabled": false + }, + "public.user_stat": { + "name": "user_stat", + "schema": "", + "columns": { + "id": { + "name": "id", + "type": "bigint", + "primaryKey": true, + "notNull": true, + "identity": { + "type": "byDefault", + "name": "user_stat_id_seq", + "schema": "public", + "increment": "1", + "startWith": "1", + "minValue": "1", + "maxValue": "9223372036854775807", + "cache": "1", + "cycle": false + } + }, + "metrics": { + "name": "metrics", + "type": "jsonb", + "primaryKey": false, + "notNull": true, + "default": "'{}'::jsonb" + }, + "update_time": { + "name": "update_time", + "type": "timestamp with time zone", + "primaryKey": false, + "notNull": true + }, + "user_id": { + "name": "user_id", + "type": "integer", + "primaryKey": false, + "notNull": true + } + }, + "indexes": {}, + "foreignKeys": { + "user_stat_user_id_73337fc0_fk_user_id": { + "name": "user_stat_user_id_73337fc0_fk_user_id", + "tableFrom": "user_stat", + "tableTo": "user", + "columnsFrom": [ + "user_id" + ], + "columnsTo": [ + "id" + ], + "onDelete": "no action", + "onUpdate": "no action" + } + }, + "compositePrimaryKeys": {}, + "uniqueConstraints": { + "user_stat_user_id_key": { + "name": "user_stat_user_id_key", + "nullsNotDistinct": false, + "columns": [ + "user_id" + ] + } + }, + "policies": {}, + "checkConstraints": {}, + "isRLSEnabled": false + } + }, + "enums": {}, + "schemas": {}, + "sequences": {}, + "roles": {}, + "policies": {}, + "views": {}, + "_meta": { + "columns": {}, + "schemas": {}, + "tables": {} + } +} \ No newline at end of file diff --git a/apps/api/src/db/meta/_journal.json b/apps/api/src/db/meta/_journal.json index 5458b7d..dc04a69 100644 --- a/apps/api/src/db/meta/_journal.json +++ b/apps/api/src/db/meta/_journal.json @@ -29,6 +29,20 @@ "when": 1787850608174, "tag": "0003_submission_public_create_time_id_idx", "breakpoints": true + }, + { + "idx": 4, + "version": "7", + "when": 1788271411343, + "tag": "0004_add_tutorial_progress", + "breakpoints": true + }, + { + "idx": 5, + "version": "7", + "when": 1788272667927, + "tag": "0005_add_exercise_attempt", + "breakpoints": true } ] } \ No newline at end of file diff --git a/apps/api/src/db/schema.ts b/apps/api/src/db/schema.ts index db38f75..e9f93d4 100644 --- a/apps/api/src/db/schema.ts +++ b/apps/api/src/db/schema.ts @@ -16,7 +16,7 @@ // problem、contest、submission）都是 int4。现存最大 id 一万出头，确实都用不上 bigint， // 但 2026-08-26 评估后决定**不改**：省 4 字节/行毫无意义，ALTER TYPE 要重写整表并拿 // ACCESS EXCLUSIVE 锁，而且其中 6 处 id 被外键绑着得连坐。别再提这件事了。 -import { pgTable, index, foreignKey, bigint, text, jsonb, timestamp, integer, boolean, serial, doublePrecision, varchar, unique, uniqueIndex } from "drizzle-orm/pg-core" +import { pgTable, index, foreignKey, primaryKey, bigint, text, jsonb, timestamp, integer, boolean, serial, doublePrecision, varchar, unique, uniqueIndex } from "drizzle-orm/pg-core" import { sql } from "drizzle-orm" export const aiAnalysis = pgTable("ai_analysis", { @@ -683,3 +683,82 @@ export const problemsetBadge = pgTable("problemset_badge", { name: "problemset_badge_problemset_id_6cb6c74f_fk_problemset_id" }), ]); + +/** + * 自学模块的留痕：一个学生 × 一课一行。 + * + * OJ2 自己建的表，不是 Django 遗留，所以没有代理主键 —— 写入路径只有一条 upsert， + * 冲突目标就是 (user_id, tutorial_id)，再挂个 id 序列没有任何用处。 + * + * **只记「读到哪一课 + 停留多久」，不记练一练的作答。** 练习的对错全在浏览器里判 + * （见 apps/web/src/oj/learn/components/），学生可以随便重试到对为止，上报上来也只是 + * 「他按了几次按钮」，不构成教学证据，还要为此多养一张按人按题膨胀的表。 + * + * 外键这里**用了库级 CASCADE**，和 Django 建的那些 NO ACTION 外键不同：删教程、删用户 + * 都不必再记得回来手工清一遍子表（后台删教程的事务里就没清它，靠的就是这里）。 + */ +export const tutorialProgress = pgTable("tutorial_progress", { + userId: integer("user_id").notNull(), + tutorialId: integer("tutorial_id").notNull(), + // 打开次数。只有「进入这一课」才 +1，后续补时长的心跳不动它 + viewCount: integer("view_count").default(0).notNull(), + // 累计停留秒数。前端只在页面可见、且人没挂机时计时，见 useLearnTrace.ts + totalSeconds: integer("total_seconds").default(0).notNull(), + firstViewedAt: timestamp("first_viewed_at", { withTimezone: true, mode: 'string' }).notNull(), + lastViewedAt: timestamp("last_viewed_at", { withTimezone: true, mode: 'string' }).notNull(), +}, (table) => [ + primaryKey({ columns: [table.userId, table.tutorialId], name: "tutorial_progress_pkey" }), + // 按课汇总（「这一课全班多少人读过」）要扫这一列，主键的前缀索引帮不上忙 + index("tutorial_progress_tutorial_id_idx").on(table.tutorialId), + foreignKey({ + columns: [table.userId], + foreignColumns: [user.id], + name: "tutorial_progress_user_id_fk_user_id" + }).onDelete("cascade"), + foreignKey({ + columns: [table.tutorialId], + foreignColumns: [tutorial.id], + name: "tutorial_progress_tutorial_id_fk_tutorial_id" + }).onDelete("cascade"), +]); + +/** + * 练一练的留痕：一个学生 × 一道练习一行。 + * + * 存的是**聚合**，不是流水：试了几次、错了几次、做没做对、第几次做对的、 + * 最后一次做错时填的什么。一道题一个学生一行，全校封顶就是「学生数 × 练习数」， + * 而流水会随着学生反复点「提交」无限长 —— 而且多存的那些行回答不了任何新问题： + * 「他第 3 次和第 5 次都选了 B」对老师没有意义，「他试了 7 次才对」有。 + * + * `lastWrongAnswer` 存的是**前端拼好的一句人话**（「选了 A、C」「第 2 空填了 xy」）， + * 不是原始作答结构：七种题型的作答形状各不相同，存结构就得在后台按题型各写一套 + * 渲染，而老师要看的只是「他错在哪」。前端本来就知道怎么把自己的作答说成人话。 + */ +export const exerciseAttempt = pgTable("exercise_attempt", { + userId: integer("user_id").notNull(), + exerciseId: integer("exercise_id").notNull(), + // 提交次数。同一份答案连点两次只算一次，见 ExerciseWidget.vue 的去重 + attempts: integer().default(0).notNull(), + wrongAttempts: integer("wrong_attempts").default(0).notNull(), + solved: boolean().default(false).notNull(), + // 第一次做对时累计试了几次。做对之后就不再变 —— 后面再点提交不该把它改大 + attemptsToSolve: integer("attempts_to_solve"), + lastWrongAnswer: text("last_wrong_answer"), + firstAttemptAt: timestamp("first_attempt_at", { withTimezone: true, mode: 'string' }).notNull(), + lastAttemptAt: timestamp("last_attempt_at", { withTimezone: true, mode: 'string' }).notNull(), + solvedAt: timestamp("solved_at", { withTimezone: true, mode: 'string' }), +}, (table) => [ + primaryKey({ columns: [table.userId, table.exerciseId], name: "exercise_attempt_pkey" }), + // 按题汇总（「这道题全班多少人做对」）要扫这一列 + index("exercise_attempt_exercise_id_idx").on(table.exerciseId), + foreignKey({ + columns: [table.userId], + foreignColumns: [user.id], + name: "exercise_attempt_user_id_fk_user_id" + }).onDelete("cascade"), + foreignKey({ + columns: [table.exerciseId], + foreignColumns: [exercise.id], + name: "exercise_attempt_exercise_id_fk_exercise_id" + }).onDelete("cascade"), +]); diff --git a/apps/api/src/routes/admin/index.ts b/apps/api/src/routes/admin/index.ts index 2b32bc3..c557c75 100644 --- a/apps/api/src/routes/admin/index.ts +++ b/apps/api/src/routes/admin/index.ts @@ -6,6 +6,7 @@ import { adminAchievementRoutes } from "./achievement" import { adminAiRoutes } from "./ai" import { adminConfRoutes } from "./conf" import { adminContestRoutes } from "./contest" +import { adminLearnRoutes } from "./learn" import { adminProblemRoutes } from "./problem" import { adminProblemSetRoutes } from "./problemset" import { adminTagRoutes } from "./tag" @@ -27,6 +28,7 @@ adminRoutes.route("/", adminAchievementRoutes) adminRoutes.route("/", adminAiRoutes) adminRoutes.route("/", adminConfRoutes) adminRoutes.route("/", adminContestRoutes) +adminRoutes.route("/", adminLearnRoutes) adminRoutes.route("/", adminProblemRoutes) adminRoutes.route("/", adminProblemSetRoutes) adminRoutes.route("/", adminTagRoutes) diff --git a/apps/api/src/routes/admin/learn.ts b/apps/api/src/routes/admin/learn.ts new file mode 100644 index 0000000..d0374f5 --- /dev/null +++ b/apps/api/src/routes/admin/learn.ts @@ -0,0 +1,249 @@ +import { + learnExerciseAttemptSchema, + learnExerciseProgressListSchema, + learnExerciseProgressSchema, + learnStudentProgressListSchema, + learnStudentProgressSchema, + learnTutorialProgressListSchema, + learnTutorialProgressSchema, +} from "@oj2/contract" +import { and, asc, count, desc, eq, inArray, like, sql } from "drizzle-orm" +import { Hono } from "hono" + +import { requireTeacher, type AppEnv } from "../../auth/middleware" +import { db, schema } from "../../db" +import { failure, success } from "../../http" +import { queryInteger, rounded } from "../helpers" + +/** + * 自学情况：教程读了没、读了多久。 + * + * 路径用 `/learn-analytics` 而不是挂在 `/tutorials` 下，理由同 tag.ts 里那段注释： + * Hono 按注册顺序匹配，`/tutorials/:id` 会把同级的静态段整个吃掉且不报错。 + */ +export const adminLearnRoutes = new Hono() + +/** 统计只算学生，不算老师和管理员自己 —— 和班级榜（classroom.ts）的口径一致 */ +const STUDENT_ROLES = ["Regular User", "Student Admin"] + +function tutorialTypeOf(value: string | undefined) { + return value === "c" ? "c" : "python" +} + +/** + * 班级筛选。班号形如 `241`（24 级 1 班），只允许纯数字： + * 直接拼进 like 的话，`%` 会变成通配符，把筛选变成「全选」。 + */ +function classFilter(className: string | undefined) { + const value = className?.trim() + if (!value) return { ok: true as const, value: null } + if (!/^\d{1,4}$/.test(value)) return { ok: false as const, value: null } + return { ok: true as const, value } +} + +/** + * `className` 传 3 位以上是具体班级（精确匹配），传 1-2 位当年级前缀（like）。 + * 年级前缀这条是给「24 级整体读得怎么样」用的，不然老师得一个班一个班点。 + */ +function classCondition(value: string | null) { + if (!value) return undefined + return value.length >= 3 + ? eq(schema.user.className, value) + : like(schema.user.className, `${value}%`) +} + +/** + * 没有班级的学生**照样统计**（班级列显示为空）。班级是从用户名的数字前缀推出来的， + * 推不出来时就是 null（见 admin/account.ts 的 classNameOf），把这些人过滤掉等于让他们 + * 在「谁没学」这张表上凭空消失 —— 班级榜可以只算入班的人，这里不行。 + */ +function studentCondition(value: string | null) { + return and( + eq(schema.user.isDisabled, false), + inArray(schema.user.adminType, STUDENT_ROLES), + classCondition(value), + ) +} + +adminLearnRoutes.get("/learn-analytics/students", requireTeacher, async (c) => { + const type = tutorialTypeOf(c.req.query("type")) + const className = classFilter(c.req.query("className")) + if (!className.ok) return failure(c, 400, "invalid-class", "班级只能是数字") + + // 该语言下已公开的教程，既是分母，也是「哪些课算数」的白名单 —— + // 未公开的课学生本来就打不开，混进来会让读完的人显示成没读完 + const tutorials = await db.select({ id: schema.tutorial.id }).from(schema.tutorial) + .where(and(eq(schema.tutorial.isPublic, true), eq(schema.tutorial.type, type))) + const tutorialIds = tutorials.map((row) => row.id) + + // 学生表打底 left join 进度：没读过的人也要出现在结果里，这是这张表的重点 + const progressJoin = tutorialIds.length + ? and( + eq(schema.tutorialProgress.userId, schema.user.id), + inArray(schema.tutorialProgress.tutorialId, tutorialIds), + ) + : sql`false` + + // 阅读和练习**分两条查**再在内存里拼。写成一条的话，一个学生读了 3 课、 + // 做了 8 道练习，join 出来是 24 行，count 全是错的 —— 两个一对多挂在同一张表上 + // 就是这个下场，用 filter 也救不回来 + const [rows, exerciseRows] = await Promise.all([ + db.select({ + userId: schema.user.id, + username: schema.user.username, + realName: schema.userProfile.realName, + className: schema.user.className, + readCount: count(schema.tutorialProgress.tutorialId), + totalSeconds: sql`coalesce(sum(${schema.tutorialProgress.totalSeconds}), 0)`.mapWith(Number), + lastViewedAt: sql`max(${schema.tutorialProgress.lastViewedAt})`, + }).from(schema.user) + .leftJoin(schema.userProfile, eq(schema.userProfile.userId, schema.user.id)) + .leftJoin(schema.tutorialProgress, progressJoin) + .where(studentCondition(className.value)) + .groupBy(schema.user.id, schema.user.username, schema.userProfile.realName, schema.user.className), + db.select({ + userId: schema.exerciseAttempt.userId, + tried: count(), + solved: sql`count(*) filter (where ${schema.exerciseAttempt.solved})`.mapWith(Number), + attempts: sql`coalesce(sum(${schema.exerciseAttempt.attempts}), 0)`.mapWith(Number), + }).from(schema.exerciseAttempt) + .innerJoin(schema.exercise, eq(schema.exercise.id, schema.exerciseAttempt.exerciseId)) + .innerJoin(schema.tutorial, eq(schema.tutorial.id, schema.exercise.tutorialId)) + .where(and(eq(schema.tutorial.isPublic, true), eq(schema.tutorial.type, type))) + .groupBy(schema.exerciseAttempt.userId), + ]) + const attempts = new Map(exerciseRows.map((row) => [row.userId, row])) + + const [exerciseCountRow] = tutorialIds.length + ? await db.select({ value: count() }).from(schema.exercise) + .where(inArray(schema.exercise.tutorialId, tutorialIds)) + : [{ value: 0 }] + + return success(c, learnStudentProgressListSchema.parse({ + tutorialCount: tutorialIds.length, + exerciseCount: exerciseCountRow?.value ?? 0, + results: rows.map((row) => learnStudentProgressSchema.parse({ + ...row, + exerciseTried: attempts.get(row.userId)?.tried ?? 0, + exerciseSolved: attempts.get(row.userId)?.solved ?? 0, + exerciseAttempts: attempts.get(row.userId)?.attempts ?? 0, + })), + })) +}) + +adminLearnRoutes.get("/learn-analytics/tutorials", requireTeacher, async (c) => { + const type = tutorialTypeOf(c.req.query("type")) + const className = classFilter(c.req.query("className")) + if (!className.ok) return failure(c, 400, "invalid-class", "班级只能是数字") + + const [studentCountRow] = await db.select({ value: count() }).from(schema.user) + .where(studentCondition(className.value)) + const studentCount = studentCountRow?.value ?? 0 + + // 进度行 join 回 user 是为了让班级筛选生效，同时把老师自己试读的记录挡在外面 + const rows = await db.select({ + tutorialId: schema.tutorial.id, + title: schema.tutorial.title, + order: schema.tutorial.order, + // 数的是 user.id 而不是 progress.user_id：join 不上的（老师自己试读的、 + // 已禁用的、不在所选班级的）在这一列是 NULL，count(distinct) 正好不算它， + // 而 progress.user_id 那边永远非空，会把过滤当没发生 + readers: sql`count(distinct ${schema.user.id})`.mapWith(Number), + totalSeconds: sql`coalesce(sum(${schema.tutorialProgress.totalSeconds}) filter (where ${schema.user.id} is not null), 0)`.mapWith(Number), + }).from(schema.tutorial) + .leftJoin(schema.tutorialProgress, eq(schema.tutorialProgress.tutorialId, schema.tutorial.id)) + .leftJoin(schema.user, and( + eq(schema.user.id, schema.tutorialProgress.userId), + studentCondition(className.value), + )) + // 学生条件写在 join 的 on 上而不是 where 上：写 where 会把没人读过的课整行滤掉， + // 而「一节课一个人都没读」恰恰是老师最需要看见的一行 + .where(and(eq(schema.tutorial.isPublic, true), eq(schema.tutorial.type, type))) + .groupBy(schema.tutorial.id, schema.tutorial.title, schema.tutorial.order) + .orderBy(asc(schema.tutorial.order)) + + return success(c, learnTutorialProgressListSchema.parse({ + studentCount, + results: rows.map((row) => learnTutorialProgressSchema.parse({ + ...row, + avgSeconds: row.readers ? Math.round(row.totalSeconds / row.readers) : 0, + })), + })) +}) + +/** + * 按练习：哪道练一练卡住了全班。 + * + * 一道题一行，含做过/做对的人数、做对的人平均试了几次、一次就做对的人数。 + * 没人做过的题也在列表里（一行零）—— 「这道题全班没一个人碰」同样是要看见的。 + */ +adminLearnRoutes.get("/learn-analytics/exercises", requireTeacher, async (c) => { + const type = tutorialTypeOf(c.req.query("type")) + const className = classFilter(c.req.query("className")) + if (!className.ok) return failure(c, 400, "invalid-class", "班级只能是数字") + + const [studentCountRow] = await db.select({ value: count() }).from(schema.user) + .where(studentCondition(className.value)) + + const rows = await db.select({ + exerciseId: schema.exercise.id, + tutorialId: schema.tutorial.id, + tutorialTitle: schema.tutorial.title, + tutorialOrder: schema.tutorial.order, + type: schema.exercise.type, + order: schema.exercise.order, + // 题干在 jsonb 里，各题型的字段名都叫 question；取不到就给空串，别让整行挂掉 + question: sql`coalesce(${schema.exercise.data}->>'question', '')`, + triedUsers: sql`count(distinct ${schema.user.id})`.mapWith(Number), + solvedUsers: sql`count(distinct ${schema.user.id}) filter (where ${schema.exerciseAttempt.solved})`.mapWith(Number), + firstTryUsers: sql`count(distinct ${schema.user.id}) filter (where ${schema.exerciseAttempt.attemptsToSolve} = 1)`.mapWith(Number), + attempts: sql`coalesce(sum(${schema.exerciseAttempt.attempts}) filter (where ${schema.user.id} is not null), 0)`.mapWith(Number), + // 只算做对的人：没做对的人「试了几次」还没停，混进平均值只会把它拉花 + avgAttemptsToSolve: sql`coalesce(avg(${schema.exerciseAttempt.attemptsToSolve}) filter (where ${schema.user.id} is not null), 0)`.mapWith(Number), + }).from(schema.exercise) + .innerJoin(schema.tutorial, eq(schema.tutorial.id, schema.exercise.tutorialId)) + .leftJoin(schema.exerciseAttempt, eq(schema.exerciseAttempt.exerciseId, schema.exercise.id)) + // 学生条件挂在 join 的 on 上，不是 where 上：写 where 会把没人做过的题整行滤掉 + .leftJoin(schema.user, and( + eq(schema.user.id, schema.exerciseAttempt.userId), + studentCondition(className.value), + )) + .where(and(eq(schema.tutorial.isPublic, true), eq(schema.tutorial.type, type))) + .groupBy(schema.exercise.id, schema.tutorial.id, schema.tutorial.title, schema.tutorial.order) + .orderBy(asc(schema.tutorial.order), asc(schema.exercise.order)) + + return success(c, learnExerciseProgressListSchema.parse({ + studentCount: studentCountRow?.value ?? 0, + results: rows.map((row) => learnExerciseProgressSchema.parse({ + ...row, + avgAttemptsToSolve: rounded(Number(row.avgAttemptsToSolve), 1), + })), + })) +}) + +/** 单道练习的逐人明细。后台表格展开某一行时才拉，不跟着列表一起下发 */ +adminLearnRoutes.get("/learn-analytics/exercises/:id/attempts", requireTeacher, async (c) => { + const id = queryInteger(c.req.param("id"), 0, { min: 1 }) + const className = classFilter(c.req.query("className")) + if (!className.ok) return failure(c, 400, "invalid-class", "班级只能是数字") + + const rows = await db.select({ + userId: schema.user.id, + username: schema.user.username, + realName: schema.userProfile.realName, + className: schema.user.className, + attempts: schema.exerciseAttempt.attempts, + wrongAttempts: schema.exerciseAttempt.wrongAttempts, + solved: schema.exerciseAttempt.solved, + attemptsToSolve: schema.exerciseAttempt.attemptsToSolve, + lastWrongAnswer: schema.exerciseAttempt.lastWrongAnswer, + lastAttemptAt: schema.exerciseAttempt.lastAttemptAt, + }).from(schema.exerciseAttempt) + .innerJoin(schema.user, eq(schema.user.id, schema.exerciseAttempt.userId)) + .leftJoin(schema.userProfile, eq(schema.userProfile.userId, schema.user.id)) + .where(and(eq(schema.exerciseAttempt.exerciseId, id), studentCondition(className.value))) + // 没做对的排前面，错得最多的最前 —— 展开这一行的人是来找卡住的学生的 + .orderBy(asc(schema.exerciseAttempt.solved), desc(schema.exerciseAttempt.wrongAttempts)) + + return success(c, rows.map((row) => learnExerciseAttemptSchema.parse(row))) +}) diff --git a/apps/api/src/routes/content.ts b/apps/api/src/routes/content.ts index 1fa94b7..653b889 100644 --- a/apps/api/src/routes/content.ts +++ b/apps/api/src/routes/content.ts @@ -10,10 +10,13 @@ import { reactionStateSchema, setReactionRequestSchema, embeddedSubmissionSchema, + exerciseAttemptRequestSchema, + tutorialProgressPingSchema, + tutorialProgressSchema, tutorialSchema, tutorialSummarySchema, } from "@oj2/contract" -import { and, asc, count, desc, eq, inArray } from "drizzle-orm" +import { and, asc, count, desc, eq, inArray, sql } from "drizzle-orm" import { Hono } from "hono" import { requireAuth, requireSuperAdmin, type AppEnv } from "../auth/middleware" @@ -206,6 +209,162 @@ contentRoutes.get("/tutorials/:id", async (c) => { })) }) +// ---------------------------------------------------------------- 自学留痕 + +/** + * 学生自己的自学进度，给学习页的目录打勾用。 + * + * 路径特意不放在 `/tutorials` 下：Hono 按**注册顺序**匹配（不是静态优先）， + * `/tutorials/:id` 就在上面几行，`/tutorials/progress` 会被它整个吃掉，而且不报错 + * ——`queryInteger("progress")` 回落成 0，学生只会看到一个「教程不存在」。 + */ +contentRoutes.get("/learn/progress", requireAuth, async (c) => { + const user = c.get("user")! + const type = c.req.query("type") === "c" ? "c" : "python" + const visible = and(eq(schema.tutorial.type, type), eq(schema.tutorial.isPublic, true)) + + // 从 tutorial 打底 left join 进度，而不是反过来：没读过的课也要有一行零， + // 否则目录里「练习 0/5」和「这课没有练习」在前端分不出来 + const [rows, exerciseRows] = await Promise.all([ + db.select({ + tutorialId: schema.tutorial.id, + viewCount: schema.tutorialProgress.viewCount, + totalSeconds: schema.tutorialProgress.totalSeconds, + firstViewedAt: schema.tutorialProgress.firstViewedAt, + lastViewedAt: schema.tutorialProgress.lastViewedAt, + }).from(schema.tutorial) + .leftJoin(schema.tutorialProgress, and( + eq(schema.tutorialProgress.tutorialId, schema.tutorial.id), + eq(schema.tutorialProgress.userId, user.id), + )) + .where(visible) + .orderBy(asc(schema.tutorial.order)), + db.select({ + tutorialId: schema.exercise.tutorialId, + total: count(), + solved: sql`count(*) filter (where ${schema.exerciseAttempt.solved})`.mapWith(Number), + }).from(schema.exercise) + .innerJoin(schema.tutorial, eq(schema.tutorial.id, schema.exercise.tutorialId)) + .leftJoin(schema.exerciseAttempt, and( + eq(schema.exerciseAttempt.exerciseId, schema.exercise.id), + eq(schema.exerciseAttempt.userId, user.id), + )) + .where(visible) + .groupBy(schema.exercise.tutorialId), + ]) + const exercises = new Map(exerciseRows.map((row) => [row.tutorialId, row])) + + return success(c, rows.map((row) => tutorialProgressSchema.parse({ + tutorialId: row.tutorialId, + viewCount: row.viewCount ?? 0, + totalSeconds: row.totalSeconds ?? 0, + firstViewedAt: row.firstViewedAt, + lastViewedAt: row.lastViewedAt, + exerciseTotal: exercises.get(row.tutorialId)?.total ?? 0, + exerciseSolved: exercises.get(row.tutorialId)?.solved ?? 0, + }))) +}) + +/** + * 上报一次自学留痕。`opened` 为真表示「刚进这一课」，计一次打开； + * 否则只是心跳补时长，见 apps/web/src/oj/learn/composables/useLearnTrace.ts。 + * + * 未登录一律 401 而不是静默丢弃 —— 教程本身保持免登录可读，前端只在登录后才调它， + * 真收到匿名请求说明前端判断错了，得让它响。 + */ +contentRoutes.post("/tutorials/:id/progress", requireAuth, async (c) => { + const user = c.get("user")! + const id = queryInteger(c.req.param("id"), 0, { min: 1 }) + const parsed = tutorialProgressPingSchema.safeParse(await c.req.json().catch(() => null)) + if (!parsed.success) return failure(c, 400, "invalid-request", "Invalid progress payload") + const [tutorial] = await db.select({ id: schema.tutorial.id }).from(schema.tutorial) + .where(and(eq(schema.tutorial.id, id), eq(schema.tutorial.isPublic, true))).limit(1) + if (!tutorial) return failure(c, 404, "tutorial-not-found", "Tutorial does not exist") + + const now = new Date().toISOString() + const { seconds, opened } = parsed.data + await db.insert(schema.tutorialProgress).values({ + userId: user.id, + tutorialId: id, + viewCount: opened ? 1 : 0, + totalSeconds: seconds, + firstViewedAt: now, + lastViewedAt: now, + }).onConflictDoUpdate({ + target: [schema.tutorialProgress.userId, schema.tutorialProgress.tutorialId], + set: { + // 累加在库里做，不是「读出来加一下再写回去」：同一个学生开两个标签页 + // 同时上报时，读改写会互相覆盖，时长凭空少掉一半 + viewCount: sql`${schema.tutorialProgress.viewCount} + ${opened ? 1 : 0}`, + totalSeconds: sql`${schema.tutorialProgress.totalSeconds} + ${seconds}`, + lastViewedAt: now, + }, + }) + return success(c, null) +}) + +/** + * 上报一次练一练的作答。 + * + * 对错是**前端判的** —— 练一练的答案本来就随题面一起下发给浏览器（见 + * `/tutorials/:id/exercises`），后端再判一遍也挡不住任何人，只是重复实现七套判题。 + * 所以这里存的是「学生自己说他做对了」，作为教学观察够用，**不能当考试成绩**。 + * + * 做对之后的重复提交只更新时间，不再累加 —— 学生做对后再点几下提交， + * 不该把「他试了几次」这个数字变大。 + */ +contentRoutes.post("/exercises/:id/attempts", requireAuth, async (c) => { + const user = c.get("user")! + const id = queryInteger(c.req.param("id"), 0, { min: 1 }) + const parsed = exerciseAttemptRequestSchema.safeParse(await c.req.json().catch(() => null)) + if (!parsed.success) return failure(c, 400, "invalid-request", "Invalid attempt payload") + // 练习跟着教程走：教程没公开，它底下的练习也不该能上报 + const [exercise] = await db.select({ id: schema.exercise.id }).from(schema.exercise) + .innerJoin(schema.tutorial, eq(schema.tutorial.id, schema.exercise.tutorialId)) + .where(and(eq(schema.exercise.id, id), eq(schema.tutorial.isPublic, true))).limit(1) + if (!exercise) return failure(c, 404, "exercise-not-found", "Exercise does not exist") + + const now = new Date().toISOString() + const { correct } = parsed.data + const answer = correct ? null : (parsed.data.answer ?? null) + await db.insert(schema.exerciseAttempt).values({ + userId: user.id, + exerciseId: id, + attempts: 1, + wrongAttempts: correct ? 0 : 1, + solved: correct, + attemptsToSolve: correct ? 1 : null, + lastWrongAnswer: answer, + firstAttemptAt: now, + lastAttemptAt: now, + solvedAt: correct ? now : null, + }).onConflictDoUpdate({ + target: [schema.exerciseAttempt.userId, schema.exerciseAttempt.exerciseId], + set: { + // 一律在库里算，不读出来改了再写回去：两个标签页同时提交会互相覆盖。 + // + // 每一列都先看 `solved`：做对之后这一行就冻住了，只有 lastAttemptAt 还动。 + // 不冻的话，学生做对后随手再点几下提交，「他试了几次才做对」就被改花了。 + attempts: sql`${schema.exerciseAttempt.attempts} + case when ${schema.exerciseAttempt.solved} then 0 else 1 end`, + wrongAttempts: sql`${schema.exerciseAttempt.wrongAttempts} + case when ${schema.exerciseAttempt.solved} or ${correct} then 0 else 1 end`, + solved: sql`${schema.exerciseAttempt.solved} or ${correct}`, + attemptsToSolve: sql`case + when ${schema.exerciseAttempt.solved} then ${schema.exerciseAttempt.attemptsToSolve} + when ${correct} then ${schema.exerciseAttempt.attempts} + 1 + else null end`, + solvedAt: sql`case + when ${schema.exerciseAttempt.solved} then ${schema.exerciseAttempt.solvedAt} + when ${correct} then ${now}::timestamptz + else null end`, + lastWrongAnswer: sql`case + when ${schema.exerciseAttempt.solved} or ${correct} then ${schema.exerciseAttempt.lastWrongAnswer} + else ${answer} end`, + lastAttemptAt: now, + }, + }) + return success(c, null) +}) + contentRoutes.get("/tutorials/:id/exercises", async (c) => { const id = queryInteger(c.req.param("id"), 0, { min: 1 }) const [tutorial] = await db.select({ id: schema.tutorial.id }).from(schema.tutorial) diff --git a/apps/web/src/admin/api.ts b/apps/web/src/admin/api.ts index 2b6613c..c8f8658 100644 --- a/apps/web/src/admin/api.ts +++ b/apps/web/src/admin/api.ts @@ -12,6 +12,10 @@ import type { AdminAiReport, AdminAiReportList, StuckProblem, + LearnStudentProgressList, + LearnTutorialProgressList, + LearnExerciseProgressList, + LearnExerciseAttempt, AdminContestList, AdminUser, AdminUserList, @@ -664,6 +668,43 @@ export function getStuckProblems() { return api.get("admin/problem-analytics/stuck") } +export function getLearnStudents(params: { + type: "python" | "c" + className?: string +}) { + return api.get("admin/learn-analytics/students", { + params, + }) +} + +export function getLearnTutorials(params: { + type: "python" | "c" + className?: string +}) { + return api.get("admin/learn-analytics/tutorials", { + params, + }) +} + +export function getLearnExercises(params: { + type: "python" | "c" + className?: string +}) { + return api.get("admin/learn-analytics/exercises", { + params, + }) +} + +export function getLearnExerciseAttempts( + exerciseId: number, + params: { className?: string }, +) { + return api.get( + `admin/learn-analytics/exercises/${exerciseId}/attempts`, + { params }, + ) +} + export function getTopACTrend(params: { sinceYear: number untilYear: number diff --git a/apps/web/src/admin/learn/ExerciseAttempts.vue b/apps/web/src/admin/learn/ExerciseAttempts.vue new file mode 100644 index 0000000..80f3675 --- /dev/null +++ b/apps/web/src/admin/learn/ExerciseAttempts.vue @@ -0,0 +1,77 @@ + + + diff --git a/apps/web/src/admin/learn/index.vue b/apps/web/src/admin/learn/index.vue new file mode 100644 index 0000000..ff3427a --- /dev/null +++ b/apps/web/src/admin/learn/index.vue @@ -0,0 +1,324 @@ + + + diff --git a/apps/web/src/oj/api.ts b/apps/web/src/oj/api.ts index cbda74d..55e0102 100644 --- a/apps/web/src/oj/api.ts +++ b/apps/web/src/oj/api.ts @@ -55,6 +55,7 @@ import type { SubmitCodePayload, WebsiteConfig, Tutorial, + TutorialProgress, } from "utils/types" /** @@ -459,3 +460,50 @@ export function getProblemSetUserProgress( export function getExercises(tutorialId: number): Promise { return api.get(`tutorials/${tutorialId}/exercises`) } + +/** + * 上报一次练一练的作答。`answer` 是给老师看的一句人话（「选了 A、C」）， + * 只在做错时才有意义，做对了不用带。 + * + * 截到 200 字符再发：后端契约卡的就是 200，填空题填了一整段的话， + * 不截就是一个 400，而学生这边什么都看不见 —— 留痕失败得静悄悄的。 + */ +export function reportExerciseAttempt( + exerciseId: number, + payload: { correct: boolean; answer?: string }, +) { + return fetch(`/api/exercises/${exerciseId}/attempts`, { + method: "POST", + credentials: "include", + keepalive: true, + headers: { "Content-Type": "application/json" }, + body: JSON.stringify({ + correct: payload.correct, + answer: payload.answer?.slice(0, 200), + }), + }).catch(() => undefined) +} + +export function getLearnProgress(type: "python" | "c") { + return api.get("learn/progress", { params: { type } }) +} + +/** + * 上报自学留痕。`opened` 为真表示刚进这一课，否则只是补停留时长。 + * + * 走裸 fetch 而不是 axios，是为了 `keepalive`：离开页面那一下的最后一次上报， + * axios 发出去也会随页面卸载被浏览器掐掉，学生每节课的最后一段时长就永远丢了。 + * 失败一律吞掉 —— 留痕是旁路，不该让学生看到任何报错。 + */ +export function reportLearnProgress( + tutorialId: number, + payload: { seconds: number; opened: boolean }, +) { + return fetch(`/api/tutorials/${tutorialId}/progress`, { + method: "POST", + credentials: "include", + keepalive: true, + headers: { "Content-Type": "application/json" }, + body: JSON.stringify(payload), + }).catch(() => undefined) +} diff --git a/apps/web/src/oj/learn/components/ExerciseDebug.vue b/apps/web/src/oj/learn/components/ExerciseDebug.vue index 91635ad..efc8ce5 100644 --- a/apps/web/src/oj/learn/components/ExerciseDebug.vue +++ b/apps/web/src/oj/learn/components/ExerciseDebug.vue @@ -4,6 +4,10 @@ import { highlightLines } from "../composables/useCodeHighlight" import "./exercise-highlight.css" const props = defineProps<{ exercise: Exercise; lang?: string }>() +const emit = defineEmits<{ + attempt: [payload: { correct: boolean; answer?: string }] +}>() + const data = computed(() => props.exercise.data as ExerciseDebugData) const lineHtml = computed(() => highlightLines(data.value.lines, props.lang)) @@ -65,6 +69,11 @@ function lineStyle(i: number): Record { function submit() { submitted.value = true + const picked = [...selected.value].sort((a, b) => a - b).map((i) => i + 1) + emit("attempt", { + correct: allCorrect.value, + answer: picked.length ? `选了第 ${picked.join("、")} 行` : "一行都没选", + }) } function reset() { diff --git a/apps/web/src/oj/learn/components/ExerciseFill.vue b/apps/web/src/oj/learn/components/ExerciseFill.vue index 9979ec3..1ee5493 100644 --- a/apps/web/src/oj/learn/components/ExerciseFill.vue +++ b/apps/web/src/oj/learn/components/ExerciseFill.vue @@ -4,6 +4,10 @@ import { highlight } from "../composables/useCodeHighlight" import "./exercise-highlight.css" const props = defineProps<{ exercise: Exercise; lang?: string }>() +const emit = defineEmits<{ + attempt: [payload: { correct: boolean; answer?: string }] +}>() + const data = computed(() => props.exercise.data as ExerciseFillData) type CodeSeg = { type: "code"; html: string } @@ -58,6 +62,10 @@ function submit() { } wrongBlanks.value = wrong allCorrect.value = wrong.size === 0 + emit("attempt", { + correct: allCorrect.value, + answer: `填了 ${userInputs.value.map((v) => v.trim() || "（空）").join(" | ")}`, + }) } function inputWidth(idx: number): string { diff --git a/apps/web/src/oj/learn/components/ExerciseGroup.vue b/apps/web/src/oj/learn/components/ExerciseGroup.vue index 70c4cc0..35d959f 100644 --- a/apps/web/src/oj/learn/components/ExerciseGroup.vue +++ b/apps/web/src/oj/learn/components/ExerciseGroup.vue @@ -3,6 +3,10 @@ import type { Exercise, ExerciseGroupData } from "utils/types" import { shuffle } from "../composables/useShuffle" const props = defineProps<{ exercise: Exercise; lang?: string }>() +const emit = defineEmits<{ + attempt: [payload: { correct: boolean; answer?: string }] +}>() + const data = computed(() => props.exercise.data as ExerciseGroupData) const order = ref([]) // item 的稳定展示顺序（初始乱序） @@ -72,6 +76,10 @@ function chipStyle(i: number): Record { function submit() { submitted.value = true + emit("attempt", { + correct: allCorrect.value, + answer: `分组 ${placement.value.map((b, i) => `${i + 1}→${b === -1 ? "?" : b + 1}`).join("、")}`, + }) } function reset() { diff --git a/apps/web/src/oj/learn/components/ExerciseMatch.vue b/apps/web/src/oj/learn/components/ExerciseMatch.vue index 6dbc673..8689bf3 100644 --- a/apps/web/src/oj/learn/components/ExerciseMatch.vue +++ b/apps/web/src/oj/learn/components/ExerciseMatch.vue @@ -3,6 +3,10 @@ import type { Exercise, ExerciseMatchData } from "utils/types" import { shuffle } from "../composables/useShuffle" const props = defineProps<{ exercise: Exercise; lang?: string }>() +const emit = defineEmits<{ + attempt: [payload: { correct: boolean; answer?: string }] +}>() + const data = computed(() => props.exercise.data as ExerciseMatchData) const PALETTE = [ @@ -69,6 +73,10 @@ function onRightClick(rightIdx: number) { function submit() { submitted.value = true + emit("attempt", { + correct: allCorrect.value, + answer: `配对 ${pairs.value.map((p, i) => `${i + 1}→${p === null ? "?" : p + 1}`).join("、")}`, + }) } function reset() { diff --git a/apps/web/src/oj/learn/components/ExerciseMcq.vue b/apps/web/src/oj/learn/components/ExerciseMcq.vue index 71925c1..90496c5 100644 --- a/apps/web/src/oj/learn/components/ExerciseMcq.vue +++ b/apps/web/src/oj/learn/components/ExerciseMcq.vue @@ -2,6 +2,10 @@ import type { Exercise, ExerciseMcqData } from "utils/types" const props = defineProps<{ exercise: Exercise }>() +const emit = defineEmits<{ + attempt: [payload: { correct: boolean; answer?: string }] +}>() + const data = computed(() => props.exercise.data as ExerciseMcqData) const isSingle = computed(() => data.value.answer.length === 1) @@ -31,6 +35,7 @@ function submit() { const sel = selected.value const isEqual = sel.size === answer.size && [...sel].every((v) => answer.has(v)) + emit("attempt", { correct: isEqual, answer: describe(sel) }) if (isEqual) { correct.value = true wrong.value = false @@ -48,6 +53,11 @@ function submit() { } } +/** 给老师看的一句人话：选项按 A/B/C 报，报下标没人看得懂 */ +function describe(sel: Set) { + return `选了 ${[...sel].sort((a, b) => a - b).map((i) => String.fromCharCode(65 + i)).join("、")}` +} + function reset() { selected.value = new Set() correct.value = false diff --git a/apps/web/src/oj/learn/components/ExercisePredict.vue b/apps/web/src/oj/learn/components/ExercisePredict.vue index 48d4c29..5059acc 100644 --- a/apps/web/src/oj/learn/components/ExercisePredict.vue +++ b/apps/web/src/oj/learn/components/ExercisePredict.vue @@ -4,6 +4,10 @@ import { highlight } from "../composables/useCodeHighlight" import "./exercise-highlight.css" const props = defineProps<{ exercise: Exercise; lang?: string }>() +const emit = defineEmits<{ + attempt: [payload: { correct: boolean; answer?: string }] +}>() + const data = computed(() => props.exercise.data as ExercisePredictData) const codeHtml = computed(() => highlight(data.value.code, props.lang)) @@ -27,8 +31,21 @@ const allCorrect = computed(() => data.value.answer.some((a) => normalize(a) === normalize(userInput.value)), ) +// 改了答案就把上一次的判定收回去，等他重新点提交 —— 排序/连线/找错/分组四种题 +// 本来就是这么做的（各自的交互处都会把 submitted 置回 false），只有这里漏了。 +// 不收回的话，`allCorrect` 是跟着输入实时算的，学生错一次之后把答案改对， +// 界面直接跳成「输出正确！」、提交按钮同时禁用 —— submit() 再也不会执行， +// 于是这道题**永远不会被记成做对**（留痕里他就一直卡在那次错的上面）。 +watch(userInput, () => { + submitted.value = false +}) + function submit() { submitted.value = true + emit("attempt", { + correct: allCorrect.value, + answer: `答「${userInput.value.replace(/\n/g, "⏎")}」`, + }) } function reset() { diff --git a/apps/web/src/oj/learn/components/ExerciseSort.vue b/apps/web/src/oj/learn/components/ExerciseSort.vue index cfa1d88..4a846c4 100644 --- a/apps/web/src/oj/learn/components/ExerciseSort.vue +++ b/apps/web/src/oj/learn/components/ExerciseSort.vue @@ -5,6 +5,10 @@ import { highlightLines } from "../composables/useCodeHighlight" import "./exercise-highlight.css" const props = defineProps<{ exercise: Exercise; lang?: string }>() +const emit = defineEmits<{ + attempt: [payload: { correct: boolean; answer?: string }] +}>() + const data = computed(() => props.exercise.data as ExerciseSortData) type LineItem = { originalIdx: number; text: string } @@ -55,6 +59,11 @@ const allCorrect = computed(() => function submit() { submitted.value = true + emit("attempt", { + correct: allCorrect.value, + // 报的是「他把原文第几行排在了第几位」，老师对着题面就能看出错在哪 + answer: `顺序 ${lines.value.map((item) => item.originalIdx + 1).join("-")}`, + }) } function reset() { diff --git a/apps/web/src/oj/learn/components/ExerciseWidget.vue b/apps/web/src/oj/learn/components/ExerciseWidget.vue index ab479ff..aab5503 100644 --- a/apps/web/src/oj/learn/components/ExerciseWidget.vue +++ b/apps/web/src/oj/learn/components/ExerciseWidget.vue @@ -1,5 +1,7 @@ diff --git a/apps/web/src/oj/learn/components/LessonList.vue b/apps/web/src/oj/learn/components/LessonList.vue new file mode 100644 index 0000000..97ff9fc --- /dev/null +++ b/apps/web/src/oj/learn/components/LessonList.vue @@ -0,0 +1,67 @@ + + + diff --git a/apps/web/src/oj/learn/composables/useLearnTrace.ts b/apps/web/src/oj/learn/composables/useLearnTrace.ts new file mode 100644 index 0000000..51e8740 --- /dev/null +++ b/apps/web/src/oj/learn/composables/useLearnTrace.ts @@ -0,0 +1,72 @@ +import { reportLearnProgress } from "oj/api" + +/** 计时心跳。攒够 FLUSH_SECONDS 才上报一次，别让每个学生每秒钟打一次接口 */ +const TICK_MS = 15_000 +const FLUSH_SECONDS = 60 + +/** + * 挂机保护：连续这么久没有任何鼠标/键盘/滚轮动作就停止计时。 + * + * 机房的电脑经常开着页面就走了，不设这道闸的话「停留时长」会变成「电脑开机时长」， + * 老师看到的数字全是假的。10 分钟是折中：真在读长课文的学生不会连滚轮都不碰这么久， + * 而挂机的最多也只多算 10 分钟。 + */ +const IDLE_MS = 10 * 60 * 1000 + +/** + * 自学留痕的客户端计时。 + * + * 只在「页面可见 + 人没挂机」时累加秒数，攒够一分钟或离开这一课时上报。 + * 换课、组件卸载、页面隐藏（切标签页/关窗口/手机切后台）都会先把攒着的秒数冲出去 —— + * 手机上 `beforeunload` 常常不触发，`visibilitychange` 才是可靠的那个。 + * + * @param tutorialId 当前这一课，0 表示还没加载好 + * @param enabled 是否留痕。未登录时为 false：教程本身保持免登录可读，只是不记 + */ +export function useLearnTrace( + tutorialId: Ref, + enabled: Ref, +) { + const visibility = useDocumentVisibility() + const { idle } = useIdle(IDLE_MS) + + // 攒着还没上报的秒数，以及它属于哪一课 —— 换课时先把上一课的冲掉， + // 不能记在当前 tutorialId 名下，否则时长会被算到下一课头上 + let pending = 0 + let pendingId = 0 + + function flush() { + if (!enabled.value || pending <= 0 || pendingId <= 0) return + const seconds = pending + const id = pendingId + pending = 0 + reportLearnProgress(id, { seconds, opened: false }) + } + + const timer = window.setInterval(() => { + if (!enabled.value || tutorialId.value <= 0) return + if (visibility.value !== "visible" || idle.value) return + pendingId = tutorialId.value + pending += TICK_MS / 1000 + if (pending >= FLUSH_SECONDS) flush() + }, TICK_MS) + + // enabled 也要盯着：学生常常是打开教程之后才在弹窗里登录的，那一下 tutorialId + // 没变，只看 tutorialId 的话这一课就永远不算「打开过」，得等他翻到下一课才开始留痕 + watch([tutorialId, enabled], ([id, on], [previousId, previousOn]) => { + if (previousId && previousId !== id) flush() + if (!on || id <= 0) return + if (id === previousId && on === previousOn) return + pendingId = id + reportLearnProgress(id, { seconds: 0, opened: true }) + }) + + watch(visibility, (value) => { + if (value === "hidden") flush() + }) + + onBeforeUnmount(() => { + window.clearInterval(timer) + flush() + }) +} diff --git a/apps/web/src/oj/learn/index.vue b/apps/web/src/oj/learn/index.vue index 97ae4a8..b66296e 100644 --- a/apps/web/src/oj/learn/index.vue +++ b/apps/web/src/oj/learn/index.vue @@ -9,20 +9,13 @@ > - - - - {{ index + 1 }}. {{ item.title }} - - - + @@ -69,20 +62,13 @@