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实验成绩计算

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biss
2026-08-09 22:40:21 +08:00 Unverified
parent d4abdd3db4
commit c25f16ec20
12 changed files with 7653 additions and 290 deletions
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src/Jiaowu.Api/Infrastructure/Persistence/DevelopmentSqliteMigrator.cs
+84
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@@ -100,6 +100,8 @@ public sealed class DevelopmentSqliteMigrator(
"20260809_52_reusable_course_groups";
private const string CourseGradeStatisticsRefreshSettingsMigration =
"20260809_53_course_grade_statistics_refresh_settings";
private const string ExperimentCourseGradesMigration =
"20260809_54_experiment_course_grades";
public async Task MigrateAsync(CancellationToken cancellationToken = default)
{
@@ -721,6 +723,14 @@ public sealed class DevelopmentSqliteMigrator(
ReusableCourseGroupsMigration,
courseGroupsExist ? [] : ReusableCourseGroupsStatements,
cancellationToken);
var experimentCourseGradesExist = await db.Database
.SqlQueryRaw<int>(
"SELECT COUNT(*) AS \"Value\" FROM sqlite_master WHERE type = 'table' AND name = 'ExperimentCourseGrades'")
.AnyAsync(value => value > 0, cancellationToken);
await ApplyMigrationAsync(
ExperimentCourseGradesMigration,
experimentCourseGradesExist ? [] : ExperimentCourseGradesStatements,
cancellationToken);
}
private async Task ApplyMigrationAsync(
@@ -2989,6 +2999,80 @@ public sealed class DevelopmentSqliteMigrator(
"""CREATE UNIQUE INDEX IF NOT EXISTS "IX_CourseGradeStatisticsRefreshSettings_Key" ON "CourseGradeStatisticsRefreshSettings" ("Key");"""
];
private static readonly string[] ExperimentCourseGradesStatements =
[
"""
CREATE TABLE "ExperimentCourseGrades" (
"Id" TEXT NOT NULL CONSTRAINT "PK_ExperimentCourseGrades" PRIMARY KEY,
"TeachingTaskId" TEXT NOT NULL,
"StudentId" TEXT NOT NULL,
"WeightedAverageScore" TEXT NULL,
"TotalWeight" TEXT NOT NULL,
"PublishedProjectCount" INTEGER NOT NULL,
"RefreshedAt" TEXT NOT NULL,
"CreatedAt" TEXT NOT NULL,
"UpdatedAt" TEXT NOT NULL,
CONSTRAINT "FK_ExperimentCourseGrades_TeachingTasks_TeachingTaskId"
FOREIGN KEY ("TeachingTaskId") REFERENCES "TeachingTasks" ("Id") ON DELETE CASCADE,
CONSTRAINT "FK_ExperimentCourseGrades_Students_StudentId"
FOREIGN KEY ("StudentId") REFERENCES "Students" ("Id") ON DELETE RESTRICT
);
""",
"""CREATE INDEX "IX_ExperimentCourseGrades_StudentId" ON "ExperimentCourseGrades" ("StudentId");""",
"""CREATE UNIQUE INDEX "IX_ExperimentCourseGrades_TeachingTaskId_StudentId" ON "ExperimentCourseGrades" ("TeachingTaskId", "StudentId");""",
"""
INSERT INTO "ExperimentCourseGrades"
("Id", "TeachingTaskId", "StudentId", "WeightedAverageScore",
"TotalWeight", "PublishedProjectCount", "RefreshedAt",
"CreatedAt", "UpdatedAt")
SELECT
lower(hex(randomblob(4))) || '-' || lower(hex(randomblob(2))) || '-' ||
'4' || substr(lower(hex(randomblob(2))), 2) || '-' ||
substr('89ab', abs(random()) % 4 + 1, 1) ||
substr(lower(hex(randomblob(2))), 2) || '-' || lower(hex(randomblob(6))),
project."TeachingTaskId",
record."StudentId",
CASE
WHEN COUNT(*) = (
SELECT COUNT(*)
FROM "ExperimentGradeSheets" AS all_sheet
INNER JOIN "ExperimentProjects" AS all_project
ON all_project."Id" = all_sheet."ExperimentProjectId"
WHERE all_sheet."Status" = 4
AND all_project."TeachingTaskId" = project."TeachingTaskId")
AND SUM(CASE WHEN record."TotalScore" IS NULL THEN 1 ELSE 0 END) = 0
THEN ROUND(
SUM(record."TotalScore" * sheet."ContributionWeight") /
SUM(sheet."ContributionWeight"), 1)
ELSE NULL
END,
(
SELECT COALESCE(SUM(all_sheet."ContributionWeight"), 0)
FROM "ExperimentGradeSheets" AS all_sheet
INNER JOIN "ExperimentProjects" AS all_project
ON all_project."Id" = all_sheet."ExperimentProjectId"
WHERE all_sheet."Status" = 4
AND all_project."TeachingTaskId" = project."TeachingTaskId"),
(
SELECT COUNT(*)
FROM "ExperimentGradeSheets" AS all_sheet
INNER JOIN "ExperimentProjects" AS all_project
ON all_project."Id" = all_sheet."ExperimentProjectId"
WHERE all_sheet."Status" = 4
AND all_project."TeachingTaskId" = project."TeachingTaskId"),
strftime('%Y-%m-%d %H:%M:%f', 'now'),
strftime('%Y-%m-%d %H:%M:%f', 'now'),
strftime('%Y-%m-%d %H:%M:%f', 'now')
FROM "ExperimentGradeRecords" AS record
INNER JOIN "ExperimentGradeSheets" AS sheet
ON sheet."Id" = record."ExperimentGradeSheetId"
INNER JOIN "ExperimentProjects" AS project
ON project."Id" = sheet."ExperimentProjectId"
WHERE sheet."Status" = 4
GROUP BY project."TeachingTaskId", record."StudentId";
"""
];
private static readonly string[] ExperimentClassroomConstraintStatements =
[
"""