diff --git a/apps/api/src/db/0016_add_submission_trace.sql b/apps/api/src/db/0016_add_submission_trace.sql new file mode 100644 index 0000000..e6b378e --- /dev/null +++ b/apps/api/src/db/0016_add_submission_trace.sql @@ -0,0 +1,18 @@ +-- 提交的编辑过程信号（AI 时代 OJ 设计的第 1 步：过程信号采集），字段含义见 schema.ts 的 +-- submissionTrace 与契约的 submissionTraceSchema。纯建表，历史提交没有对应行，这是预期的。 +CREATE TABLE "submission_trace" ( + "submission_id" text PRIMARY KEY NOT NULL, + "active_ms" integer NOT NULL, + "since_open_ms" integer NOT NULL, + "typed_chars" integer NOT NULL, + "pasted_chars" integer NOT NULL, + "paste_count" integer NOT NULL, + "max_paste" integer NOT NULL, + "deleted_chars" integer NOT NULL, + "blur_count" integer NOT NULL, + "initial_len" integer NOT NULL, + "collab" boolean NOT NULL, + "since_prev_ms" bigint +); +--> statement-breakpoint +ALTER TABLE "submission_trace" ADD CONSTRAINT "submission_trace_submission_id_fk_submission_id" FOREIGN KEY ("submission_id") REFERENCES "public"."submission"("id") ON 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"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 + }, + "is_disabled": { + "name": "is_disabled", + "type": "boolean", + "primaryKey": false, + "notNull": true, + "default": false + }, + "problem_permission": { + "name": "problem_permission", + "type": "text", + "primaryKey": false, + "notNull": true + }, + "raw_password": { + "name": "raw_password", + "type": "varchar(20)", + "primaryKey": false, + "notNull": false + }, + "class_name": { + "name": "class_name", + "type": "text", + "primaryKey": false, + "notNull": false + } + }, + "indexes": { + "user_active_idx": { + "name": "user_active_idx", + "columns": [ + { + "expression": "is_disabled", + "isExpression": false, + "asc": true, + "nulls": "last" + }, + { + "expression": "last_login", + "isExpression": false, + "asc": false, + "nulls": "first" + } + ], + "isUnique": false, + "concurrently": false, + "method": "btree", + "with": {} + }, + "user_class_name_idx": { + "name": "user_class_name_idx", + "columns": [ + { + "expression": "class_name", + "isExpression": false, + "asc": true, + "nulls": "last" + } + ], + "isUnique": false, + "concurrently": false, + "method": "btree", + "with": {} + } + }, + "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_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": "cascade", + "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": {} + } + }, + "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": "cascade", + "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 + }, + "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 + }, + "user_id": { + "name": "user_id", + "type": "integer", + "primaryKey": false, + "notNull": true + }, + "real_name": { + "name": "real_name", + "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": "cascade", + "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": "cascade", + "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 2d8a3c7..02c1f1f 100644 --- a/apps/api/src/db/meta/_journal.json +++ b/apps/api/src/db/meta/_journal.json @@ -113,6 +113,13 @@ "when": 1789364546358, "tag": "0015_submission_filter_indexes", "breakpoints": true + }, + { + "idx": 16, + "version": "7", + "when": 1789817209482, + "tag": "0016_add_submission_trace", + "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 5f40f30..e1de4fa 100644 --- a/apps/api/src/db/schema.ts +++ b/apps/api/src/db/schema.ts @@ -953,6 +953,44 @@ export const submission = pgTable( ], ) +/** + * 提交时附带的编辑过程信号，和 submission 一对一。字段含义见契约的 + * `submissionTraceSchema`，这里只记表本身的取舍： + * + * - **没有行 ≠ 可疑。** 2026-09 之前的全部历史提交、刷新过页面的、老版本前端交的 + * 都没有 trace，用它的地方一律把「缺失」当「无数据」。 + * - 类型化的列而不是一个 jsonb：「可信 AC」和学情热力图要在 SQL 里按这些值筛、聚合。 + * - `since_prev_ms` 是唯一由**服务端**算的一列（距同一用户同一道题上一次提交）， + * 客户端伪造不了；这道题的第一次提交为 null。 + * - CASCADE 挂在 submission 上、不挂 user：它是提交的附属，提交没了它没有意义， + * 人是谁顺着 submission 就能查到。同表的 message / problemset_submission 也是这一档。 + */ +export const submissionTrace = pgTable( + "submission_trace", + { + submissionId: text("submission_id").primaryKey().notNull(), + activeMs: integer("active_ms").notNull(), + sinceOpenMs: integer("since_open_ms").notNull(), + typedChars: integer("typed_chars").notNull(), + pastedChars: integer("pasted_chars").notNull(), + pasteCount: integer("paste_count").notNull(), + maxPaste: integer("max_paste").notNull(), + deletedChars: integer("deleted_chars").notNull(), + blurCount: integer("blur_count").notNull(), + initialLen: integer("initial_len").notNull(), + collab: boolean().notNull(), + // bigint：int4 的毫秒数只够 24.8 天，隔一个假期回来重交就溢出了 + sincePrevMs: bigint("since_prev_ms", { mode: "number" }), + }, + (table) => [ + foreignKey({ + columns: [table.submissionId], + foreignColumns: [submission.id], + name: "submission_trace_submission_id_fk_submission_id", + }).onDelete("cascade"), + ], +) + export const tutorial = pgTable( "tutorial", { diff --git a/apps/api/src/routes/submission.ts b/apps/api/src/routes/submission.ts index fa393e9..18f8045 100644 --- a/apps/api/src/routes/submission.ts +++ b/apps/api/src/routes/submission.ts @@ -8,6 +8,7 @@ import { type SubmissionDetail, type SubmissionList, type SubmissionListItem, + type SubmissionTrace, } from "@oj2/contract" import { and, @@ -59,6 +60,38 @@ function objectValue(value: unknown): Record { : {} } +/** + * 落编辑过程信号。**失败只记日志、不影响提交** —— 这是附带的统计数据， + * 提交已经进库了，不能因为它回一个 500 让学生以为没交上。 + * + * `since_prev_ms` 在同一条 INSERT 里用子查询算，排掉刚插进去的这条自己； + * 两次提交并发到达时也各自取到的是对方之外的最近一条。这道题第一次提交时 + * `max()` 为 null，列就是 null。 + */ +async function saveTrace( + submissionId: string, + userId: number, + problemId: number, + createTime: string, + trace: SubmissionTrace, +) { + try { + await db.insert(schema.submissionTrace).values({ + submissionId, + ...trace, + sincePrevMs: sql`( + select (extract(epoch from ${createTime}::timestamptz - max(${schema.submission.createTime})) * 1000)::bigint + from ${schema.submission} + where ${schema.submission.userId} = ${userId} + and ${schema.submission.problemId} = ${problemId} + and ${schema.submission.id} <> ${submissionId} + )`, + }) + } catch (error) { + console.error("Failed to record submission trace", error) + } +} + submissionRoutes.post("/submissions", requireAuth, async (c) => { const parsed = createSubmissionRequestSchema.safeParse( await c.req.json().catch(() => null), @@ -168,6 +201,15 @@ submissionRoutes.post("/submissions", requireAuth, async (c) => { contestId, }) + if (parsed.data.trace) + await saveTrace( + submissionId, + user.id, + problem.id, + createTime, + parsed.data.trace, + ) + try { await judgeQueue.add( "judge", diff --git a/apps/web/src/oj/problem/components/ContestEditor.vue b/apps/web/src/oj/problem/components/ContestEditor.vue index d8964cf..6fcfecd 100644 --- a/apps/web/src/oj/problem/components/ContestEditor.vue +++ b/apps/web/src/oj/problem/components/ContestEditor.vue @@ -7,6 +7,7 @@ import CodeEditor from "shared/components/CodeEditor.vue" import { useBreakpoints } from "shared/composables/breakpoints" import storage from "utils/storage" import type { LANGUAGE } from "utils/types" +import { beginEditTrace, editTraceExtensions } from "oj/problem/utils/editTrace" import Form from "./Form.vue" const route = useRoute() @@ -34,6 +35,10 @@ onMounted(() => { problem.value!.template[codeStore.code.language] || SOURCES[codeStore.code.language], ) + beginEditTrace( + `problem_${problem.value!._id}_contest_${contestID}`, + codeStore.code.value.length, + ) }) const changeCode = (v: string) => { @@ -58,6 +63,7 @@ const changeLanguage = (v: LANGUAGE) => { v-model:value="codeStore.code.value" :language="codeStore.code.language" :height="editorHeight" + :extra-extensions="editTraceExtensions" @update:model-value="changeCode" /> diff --git a/apps/web/src/oj/problem/components/ProblemEditor.vue b/apps/web/src/oj/problem/components/ProblemEditor.vue index 0877719..e715abe 100644 --- a/apps/web/src/oj/problem/components/ProblemEditor.vue +++ b/apps/web/src/oj/problem/components/ProblemEditor.vue @@ -8,6 +8,7 @@ import SyncCodeEditor from "shared/components/SyncCodeEditor.vue" import { useBreakpoints } from "shared/composables/breakpoints" import storage from "utils/storage" import type { LANGUAGE } from "utils/types" +import { beginEditTrace, editTraceExtensions } from "oj/problem/utils/editTrace" import Form from "./Form.vue" const FlowchartEditor = defineAsyncComponent( @@ -98,6 +99,11 @@ function loadCode() { problem.value!.template[codeStore.code.language] || SOURCES[codeStore.code.language], ) + // 换了题才重新计数，同一道题重复 loadCode（协作结束读回草稿）是接着记 + beginEditTrace( + `problem_${problem.value!._id}_contest_${contestID}`, + codeStore.code.value.length, + ) } onMounted(loadCode) @@ -151,6 +157,7 @@ provide("flowchartEditorRef", flowchartEditorRef) :language="codeStore.code.language" :problem-id="problem!._id" :height="editorHeight" + :extra-extensions="editTraceExtensions" @update:model-value="changeCode" /> diff --git a/apps/web/src/oj/problem/components/SubmitCode.vue b/apps/web/src/oj/problem/components/SubmitCode.vue index 704b240..4b5e583 100644 --- a/apps/web/src/oj/problem/components/SubmitCode.vue +++ b/apps/web/src/oj/problem/components/SubmitCode.vue @@ -12,6 +12,8 @@ import SubmissionResult from "./SubmissionResult.vue" import { getSubmitButtonState } from "./submitButtonState" import { useBreakpoints } from "shared/composables/breakpoints" import { useUserStore } from "shared/store/user" +import { useCollabStore } from "shared/store/collab" +import { restartEditTrace, snapshotEditTrace } from "oj/problem/utils/editTrace" import { checkPythonSyntax, prefetchPythonSyntaxChecker, @@ -24,6 +26,7 @@ const ProblemReaction = defineAsyncComponent( // ==================== 基础状态 ==================== const userStore = useUserStore() +const collabStore = useCollabStore() const codeStore = useCodeStore() const problemStore = useProblemStore() const { problem } = storeToRefs(problemStore) @@ -147,6 +150,11 @@ async function submit() { problemId: problem.value!.id, language: codeStore.code.language, code: codeStore.code.value, + // 编辑过程信号，见 utils/editTrace.ts。协作的判断和 ProblemEditor 的 collabHere 同一个口径 + trace: snapshotEditTrace( + collabStore.room !== null && + collabStore.room.problemId === problem.value!._id, + ), } if (contestID) { data.contestId = parseInt(contestID) @@ -161,6 +169,8 @@ async function submit() { try { const res = await submitCode(data) console.log(`[Submit] 代码已提交: ID=${res.submissionId}`) + // 交上了才清零；被限流 / 网络失败的话这一段接着记，下次提交一起报 + restartEditTrace(codeStore.code.value.length) // 3. 启动冷却 + 监控 startCooldown() diff --git a/apps/web/src/oj/problem/utils/editTrace.ts b/apps/web/src/oj/problem/utils/editTrace.ts new file mode 100644 index 0000000..eadded7 --- /dev/null +++ b/apps/web/src/oj/problem/utils/editTrace.ts @@ -0,0 +1,139 @@ +import { EditorView } from "@codemirror/view" +import type { SubmissionTrace } from "@oj2/contract" + +/** + * 编辑过程信号的采集，随提交一起报给后端（落进 `submission_trace`）。 + * 字段含义见契约的 `submissionTraceSchema`。**只数字符数和次数，不留任何按键内容。** + * + * 是模块单例而不是 Pinia store：编辑器（ProblemEditor / ContestEditor 里）和 + * 提交按钮（Form → SubmitCode）是兄弟组件，得共用一份计数；而 CodeMirror 的 + * 扩展对象一旦经过 store 就会被包成响应式代理，facet 靠身份比较，代理过的扩展 + * 直接失效。计数本身也不需要响应式。 + * + * **只数带 userEvent 的事务。** 下面这些都不带，所以天然不会被算进去： + * - `codeStore.setCode()` —— vue-codemirror 的 setDoc 只 dispatch 一个 changes： + * 提交前的自动格式化、载入草稿 / 模板、切语言都走这条； + * - 课堂协作里对方的改动 —— y-codemirror.next 应用远程更新时只挂 ySyncAnnotation。 + * + * 撤销 / 重做、编辑器内部拖动（`move.drop`）也不数：它们既不是新写的也不是外来的。 + */ + +/** 两次编辑间隔超过这个就算走开了，中间这段不计入活跃时长 */ +const IDLE_MS = 60_000 + +let key: string | null = null +let startedAt = 0 +let lastEditAt: number | null = null +let activeMs = 0 +let typedChars = 0 +let pastedChars = 0 +let pasteCount = 0 +let maxPaste = 0 +let deletedChars = 0 +let blurCount = 0 +let initialLen = 0 + +function reset(len: number) { + startedAt = performance.now() + lastEditAt = null + activeMs = 0 + typedChars = 0 + pastedChars = 0 + pasteCount = 0 + maxPaste = 0 + deletedChars = 0 + blurCount = 0 + initialLen = len +} + +/** + * 开始（或接着）记一道题。编辑器载入代码之后调。 + * + * `traceKey` 没变就**什么都不做** —— 同一道题里切去看提交记录、再切回来， + * 编辑器可能会重新挂载，不能因此把这一段的计数清掉。换了题才重新开始。 + * 切语言不换 key：学生改用另一种语言重写这道题，仍然是同一段做题过程。 + */ +export function beginEditTrace(traceKey: string, len: number) { + if (traceKey === key) return + key = traceKey + reset(len) +} + +/** 这一段的快照，附在提交请求上 */ +export function snapshotEditTrace(collab: boolean): SubmissionTrace { + return { + activeMs: Math.round(activeMs), + sinceOpenMs: Math.round(performance.now() - startedAt), + typedChars, + pastedChars, + pasteCount, + maxPaste, + deletedChars, + blurCount, + initialLen, + collab, + } +} + +/** 提交成功之后调：下一条提交只记从这里往后的那一段 */ +export function restartEditTrace(len: number) { + reset(len) +} + +function touch() { + const now = performance.now() + if (lastEditAt !== null && now - lastEditAt <= IDLE_MS) + activeMs += now - lastEditAt + lastEditAt = now +} + +// 只数 hidden 这一个事件：切标签页时 window 的 blur 和 visibilitychange 会一起触发， +// 两个都数就是一次记两下。代价是同屏切到别的窗口（页面仍可见）不计，这本来就只是辅助信号。 +document.addEventListener("visibilitychange", () => { + if (document.visibilityState !== "hidden") return + blurCount++ + // 切走的这段不算活跃，回来之后的第一下编辑重新起算 + lastEditAt = null +}) + +/** 挂到题目页的代码编辑器上。同一个实例，别每次渲染新建 —— 那会让编辑器反复重配扩展 */ +export const editTraceExtensions = [ + EditorView.updateListener.of((update) => { + if (!update.docChanged) return + for (const tr of update.transactions) { + if (!tr.docChanged) continue + // 顺序要紧：isUserEvent("input") 也会匹配 "input.paste" + const pasted = + tr.isUserEvent("input.paste") || tr.isUserEvent("input.drop") + const typed = !pasted && tr.isUserEvent("input") + const deleted = tr.isUserEvent("delete") + if (!pasted && !typed && !deleted) continue + + let inserted = 0 + let removed = 0 + tr.changes.iterChanges((fromA, toA, _fromB, _toB, text) => { + // 原样替换不算：closeBrackets 越过已有的右括号 / 引号时，是把 `)` 替换成 `)` + // 而不是只挪光标（@codemirror/autocomplete 的 handleClose），不排掉的话 + // 每敲一个右括号就多记一个键入加一个删除 + if ( + toA - fromA === text.length && + tr.startState.sliceDoc(fromA, toA) === text.toString() + ) + return + removed += toA - fromA + inserted += text.length + }) + + // 选中一段再打字 / 粘贴，被替换掉的那部分也算删除 + deletedChars += removed + if (pasted) { + pastedChars += inserted + pasteCount++ + if (inserted > maxPaste) maxPaste = inserted + } else if (typed) { + typedChars += inserted + } + touch() + } + }), +] diff --git a/apps/web/src/shared/components/CodeEditor.vue b/apps/web/src/shared/components/CodeEditor.vue index 91ab92d..1f234ff 100644 --- a/apps/web/src/shared/components/CodeEditor.vue +++ b/apps/web/src/shared/components/CodeEditor.vue @@ -4,6 +4,7 @@ import { python } from "@codemirror/lang-python" import { sql, SQLite } from "@codemirror/lang-sql" import { bracketMatching } from "@codemirror/language" import { Codemirror } from "vue-codemirror" +import type { Extension } from "@codemirror/state" import { autocompletion, closeBrackets, @@ -21,6 +22,8 @@ interface Props { height?: string readonly?: boolean placeholder?: string + /** 追加的 CodeMirror 扩展。传一个稳定的数组实例，每次渲染新建会让编辑器反复重配 */ + extraExtensions?: Extension[] } const { @@ -29,6 +32,7 @@ const { height = "100%", readonly = false, placeholder = "", + extraExtensions = [], } = defineProps() const code = defineModel("value") @@ -49,6 +53,7 @@ const extensions = computed(() => [ override: [enhanceCompletion(language), completeAnyWord], }), isDark.value ? oneDark : smoothy, + ...extraExtensions, ]) diff --git a/apps/web/src/shared/components/SyncCodeEditor.vue b/apps/web/src/shared/components/SyncCodeEditor.vue index bfcf101..e6198f3 100644 --- a/apps/web/src/shared/components/SyncCodeEditor.vue +++ b/apps/web/src/shared/components/SyncCodeEditor.vue @@ -7,6 +7,7 @@ import { completeAnyWord, } from "@codemirror/autocomplete" import type { EditorView } from "@codemirror/view" +import type { Extension } from "@codemirror/state" import type { LANGUAGE } from "utils/types" import { oneDark } from "../themes/oneDark" import { smoothy } from "../themes/smoothy" @@ -26,6 +27,8 @@ interface Props { height?: string readonly?: boolean placeholder?: string + /** 追加的 CodeMirror 扩展。传一个稳定的数组实例，每次渲染新建会让编辑器反复重配 */ + extraExtensions?: Extension[] /** * 当前这个编辑器属于哪道题（题目的展示 ID）。 * @@ -43,6 +46,7 @@ const { height = "100%", readonly = false, placeholder = "", + extraExtensions = [], problemId = "", } = defineProps() const code = defineModel("value") @@ -59,6 +63,7 @@ const extensions = computed(() => [ override: [enhanceCompletion(language), completeAnyWord], }), getInitialExtension(), + ...extraExtensions, ]) interface EditorReadyPayload { diff --git a/packages/contract/src/submission.ts b/packages/contract/src/submission.ts index f20dbdb..01359e2 100644 --- a/packages/contract/src/submission.ts +++ b/packages/contract/src/submission.ts @@ -79,6 +79,36 @@ export const statisticInfoSchema = z.looseObject({ .optional(), }) +/** + * 编辑过程的聚合信号，落进 `submission_trace`。**只有计数，不含任何按键内容。** + * + * 口径是「自上次提交以来」的增量（前端每次提交成功后清零，切题也清零）， + * 所以同一道题连交几次，每条提交各记各的那一段。 + * + * 全部来自客户端，**可以伪造** —— 这是接受了的：它只用来给「可信 AC」加权、 + * 给老师提示「建议关注」，不单独判任何事。服务端自己算的间隔另见 `since_prev_ms`。 + */ +export const submissionTraceSchema = z.object({ + /** 活跃编辑时长：相邻两次编辑间隔不超过 60 秒才累加，页面不可见时不计 */ + activeMs: z.number().int().min(0).max(1e8), + /** 打开这道题（或上次提交）到这次提交的墙钟时长 */ + sinceOpenMs: z.number().int().min(0).max(1e9), + /** 键入、输入法上屏、补全插入的字符数 */ + typedChars: z.number().int().min(0).max(1e7), + /** 粘贴、从外部拖入的字符数 */ + pastedChars: z.number().int().min(0).max(1e7), + pasteCount: z.number().int().min(0).max(1e5), + /** 单次最大粘贴的字符数 */ + maxPaste: z.number().int().min(0).max(1e7), + deletedChars: z.number().int().min(0).max(1e7), + /** 页面切到后台的次数（切标签页、切窗口、最小化）。只作辅助，别单独拿来说事 */ + blurCount: z.number().int().min(0).max(1e5), + /** 这一段开始时编辑器里已有的字符数（本地草稿 / 模板 / 上次提交后的代码） */ + initialLen: z.number().int().min(0).max(1e7), + /** 提交时这道题正在课堂协作中。老师替学生交的那条也会是 true，统计时要排掉 */ + collab: z.boolean(), +}) + export const createSubmissionRequestSchema = z.object({ problemId: z.number().int().positive(), /** @@ -102,6 +132,13 @@ export const createSubmissionRequestSchema = z.object({ * 所以这里带错了顶多是标记不准，不会影响成绩。 */ problemSetId: z.number().int().positive().optional(), + /** + * 编辑过程信号，见 submissionTraceSchema。**坏了就当没带**（`.catch`）： + * 整个请求体是一把 safeParse，这里要是能 400，一份附带的统计数据就能挡住 + * 学生交作业。刷新过页面、老版本前端、脚本提交都会没有它，那是「无数据」， + * 不是「可疑」。 + */ + trace: submissionTraceSchema.optional().catch(undefined), }) export const createSubmissionResponseSchema = z.object({ @@ -384,6 +421,7 @@ export const formatCodeRequestSchema = z.object({ export const formatCodeResponseSchema = z.object({ code: z.string() }) export type StatisticInfo = z.infer +export type SubmissionTrace = z.infer export type CreateSubmissionRequest = z.infer< typeof createSubmissionRequestSchema >