231 lines
7.1 KiB
Python
231 lines
7.1 KiB
Python
from utils.api import UsernameSerializer, serializers
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from .models import (
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ProblemSet,
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ProblemSetProblem,
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ProblemSetBadge,
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ProblemSetProgress,
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UserBadge,
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)
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def get_user_progress_data(problemset, request):
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"""获取当前用户在该题单中的进度 - 公共方法"""
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if request and request.user.is_authenticated:
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try:
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progress = ProblemSetProgress.objects.get(
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problemset=problemset, user=request.user
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)
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return {
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"is_joined": True,
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"progress_percentage": progress.progress_percentage,
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"completed_count": progress.completed_problems_count,
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"total_count": progress.total_problems_count,
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"is_completed": progress.is_completed,
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}
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except ProblemSetProgress.DoesNotExist:
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return {
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"is_joined": False,
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"progress_percentage": 0,
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"completed_count": 0,
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"total_count": 0,
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"is_completed": False,
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}
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return {
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"is_joined": False,
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"progress_percentage": 0,
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"completed_count": 0,
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"total_count": 0,
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"is_completed": False,
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}
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class ProblemSetSerializer(serializers.ModelSerializer):
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"""题单序列化器"""
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created_by = UsernameSerializer()
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problems_count = serializers.SerializerMethodField()
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completed_count = serializers.SerializerMethodField()
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user_progress = serializers.SerializerMethodField()
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class Meta:
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model = ProblemSet
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fields = "__all__"
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def get_problems_count(self, obj):
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"""获取题单中的题目数量"""
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return ProblemSetProblem.objects.filter(problemset=obj).count()
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def get_completed_count(self, obj):
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"""获取当前用户在该题单中完成的题目数量"""
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request = self.context.get("request")
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if request and request.user.is_authenticated:
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try:
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progress = ProblemSetProgress.objects.get(
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problemset=obj, user=request.user
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)
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return progress.completed_problems_count
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except ProblemSetProgress.DoesNotExist:
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return 0
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return 0
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def get_user_progress(self, obj):
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"""获取当前用户在该题单中的进度"""
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request = self.context.get("request")
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return get_user_progress_data(obj, request)
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class ProblemSetListSerializer(serializers.ModelSerializer):
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"""题单列表序列化器"""
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created_by = UsernameSerializer()
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problems_count = serializers.SerializerMethodField()
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user_progress = serializers.SerializerMethodField()
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badges = serializers.SerializerMethodField()
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class Meta:
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model = ProblemSet
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fields = [
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"id",
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"title",
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"description",
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"created_by",
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"create_time",
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"difficulty",
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"status",
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"problems_count",
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"user_progress",
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"badges",
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"visible",
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]
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def get_problems_count(self, obj):
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"""获取题单中的题目数量"""
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return ProblemSetProblem.objects.filter(problemset=obj).count()
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def get_user_progress(self, obj):
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"""获取当前用户在该题单中的进度"""
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request = self.context.get("request")
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return get_user_progress_data(obj, request)
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def get_badges(self, obj):
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"""获取题单的奖章列表"""
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badges = ProblemSetBadge.objects.filter(problemset=obj)
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return ProblemSetBadgeSerializer(badges, many=True).data
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class CreateProblemSetSerializer(serializers.Serializer):
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"""创建题单序列化器"""
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title = serializers.CharField(max_length=200)
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description = serializers.CharField()
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difficulty = serializers.CharField(default="Easy")
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status = serializers.CharField(default="active")
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class EditProblemSetSerializer(serializers.Serializer):
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"""编辑题单序列化器"""
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id = serializers.IntegerField()
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title = serializers.CharField(max_length=200, required=False)
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description = serializers.CharField(required=False)
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difficulty = serializers.CharField(required=False)
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status = serializers.CharField(required=False)
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visible = serializers.BooleanField(required=False)
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class ProblemSetProblemSerializer(serializers.ModelSerializer):
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"""题单题目序列化器"""
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problem = serializers.SerializerMethodField()
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class Meta:
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model = ProblemSetProblem
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fields = "__all__"
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def get_problem(self, obj):
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"""获取题目详细信息"""
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from problem.serializers import ProblemListSerializer
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return ProblemListSerializer(obj.problem, context=self.context).data
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class AddProblemToSetSerializer(serializers.Serializer):
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"""添加题目到题单序列化器"""
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problem_id = serializers.CharField()
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order = serializers.IntegerField(default=0)
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is_required = serializers.BooleanField(default=True)
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score = serializers.IntegerField(default=0)
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hint = serializers.CharField(required=False, allow_blank=True)
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class EditProblemInSetSerializer(serializers.Serializer):
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"""编辑题单中的题目序列化器"""
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order = serializers.IntegerField(required=False)
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is_required = serializers.BooleanField(required=False)
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score = serializers.IntegerField(required=False)
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hint = serializers.CharField(required=False, allow_blank=True)
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class ProblemSetBadgeSerializer(serializers.ModelSerializer):
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"""题单奖章序列化器"""
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class Meta:
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model = ProblemSetBadge
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fields = "__all__"
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class CreateProblemSetBadgeSerializer(serializers.Serializer):
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"""创建题单奖章序列化器"""
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name = serializers.CharField(max_length=100)
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description = serializers.CharField()
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icon = serializers.CharField()
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condition_type = serializers.CharField() # all_problems, problem_count, score
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condition_value = serializers.IntegerField(required=False)
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class EditProblemSetBadgeSerializer(serializers.Serializer):
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"""编辑题单奖章序列化器"""
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name = serializers.CharField(max_length=100, required=False)
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description = serializers.CharField(required=False)
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icon = serializers.CharField(required=False)
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condition_type = serializers.CharField(required=False) # all_problems, problem_count, score
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condition_value = serializers.IntegerField(required=False)
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class ProblemSetProgressSerializer(serializers.ModelSerializer):
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"""题单进度序列化器"""
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problemset = ProblemSetListSerializer()
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user = UsernameSerializer()
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class Meta:
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model = ProblemSetProgress
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fields = "__all__"
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class UserBadgeSerializer(serializers.ModelSerializer):
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"""用户奖章序列化器"""
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badge = ProblemSetBadgeSerializer()
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class Meta:
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model = UserBadge
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fields = "__all__"
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class JoinProblemSetSerializer(serializers.Serializer):
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"""加入题单序列化器"""
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problemset_id = serializers.IntegerField()
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class UpdateProgressSerializer(serializers.Serializer):
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"""更新进度序列化器"""
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problemset_id = serializers.IntegerField()
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problem_id = serializers.IntegerField()
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