Initial commit

xuexiao/routes/account.py

@@ -0,0 +1,69 @@
+"""学员课时账户：手动调整（管理员）"""
+from flask import render_template, request, redirect, url_for, flash, session
+from models import db, Student, Course, StudentAccount
+from utils import login_required, permission_required, log_operation
+import business_rules as rules
+
+
+def register_routes(app):
+
+    @app.route('/accounts/adjust', methods=['GET', 'POST'], endpoint='account_adjust')
+    @login_required
+    @permission_required('student_account_adjust')
+    def account_adjust():
+        if request.method == 'POST':
+            student_id = int(request.form.get('student_id'))
+            course_id = int(request.form.get('course_id'))
+            try:
+                normal_delta = float(request.form.get('normal_delta', 0) or 0)
+                gifted_delta = float(request.form.get('gifted_delta', 0) or 0)
+            except ValueError:
+                flash('课时调整值格式错误', 'danger')
+                return redirect(url_for('account_adjust'))
+
+            reason = request.form.get('reason', '').strip()
+            account = rules.lock_student_account(student_id, course_id)
+            if not account:
+                account = StudentAccount(student_id=student_id, course_id=course_id)
+                db.session.add(account)
+                db.session.flush()
+
+            before = rules.account_snapshot_dict(account)
+            try:
+                rules.manual_adjust_account(
+                    account, normal_delta=normal_delta,
+                    gifted_delta=gifted_delta, reason=reason,
+                )
+                record = None
+                db.session.commit()
+                after = rules.account_snapshot_dict(account)
+                log_operation(
+                    '手动调课时',
+                    f'学员{student_id} 课程{course_id} 正课{normal_delta:+} 赠课{gifted_delta:+} {reason}',
+                    before=before, after=after, commit=True,
+                )
+                flash('课时调整成功', 'success')
+                return redirect(url_for(
+                    'account_adjust',
+                    student_id=student_id, course_id=course_id,
+                ))
+            except ValueError as e:
+                db.session.rollback()
+                flash(str(e), 'danger')
+
+        student_id = request.args.get('student_id', type=int)
+        course_id = request.args.get('course_id', type=int)
+        account = None
+        if student_id and course_id:
+            account = StudentAccount.query.filter_by(
+                student_id=student_id, course_id=course_id,
+            ).first()
+
+        students = Student.query.filter_by(status=1).order_by(Student.id.desc()).all()
+        courses = Course.query.filter_by(status=1).all()
+        return render_template(
+            'account_adjust.html',
+            students=students, courses=courses,
+            account=account,
+            student_id=student_id, course_id=course_id,
+        )