116 lines
5.2 KiB
Python
116 lines
5.2 KiB
Python
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"""退费管理路由"""
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from flask import render_template, request, redirect, url_for, flash, session, jsonify
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from utils import permission_required, export_excel, login_required, log_operation
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from models import db, Student, Course, StudentAccount, RefundRecord
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import business_rules as rules
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def register_routes(app):
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@app.route('/refunds', endpoint='refund_list')
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@login_required
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@permission_required('refund_view')
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def refund_list():
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records = RefundRecord.query.order_by(RefundRecord.created_at.desc()).all()
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return render_template('refund_list.html', records=records)
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@app.route('/refunds/add', methods=['GET', 'POST'], endpoint='refund_add')
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@login_required
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@permission_required('refund_add')
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def refund_add():
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if request.method == 'POST':
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student_id = int(request.form.get('student_id'))
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course_id = int(request.form.get('course_id'))
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reason = request.form.get('reason', '')
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partial_raw = request.form.get('partial_amount', '').strip()
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partial_amount = float(partial_raw) if partial_raw else None
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account = rules.lock_student_account(student_id, course_id)
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if not account:
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flash('未找到该学员的课时账户', 'danger')
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return redirect(url_for('refund_add'))
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before = rules.account_snapshot_dict(account)
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calc = rules.calculate_refund(student_id, course_id, partial_amount)
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record = RefundRecord(
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student_id=student_id,
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course_id=course_id,
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refund_amount=calc['refund_amount'],
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remaining_normal_hours=calc['remaining_normal'],
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remaining_gifted_hours=calc['remaining_gifted'],
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deduct_gifted_hours=calc['deduct_gifted_amount'],
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deduct_gifted_amount=calc['deduct_gifted_amount'],
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promo_clawback_hours=calc['promo_clawback_hours'],
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consumed_hours_value=calc['consumed_hours_value'],
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material_fee_per_quarter=rules.MATERIAL_FEE_PER_QUARTER,
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quarters=calc['quarters'],
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total_deduct=calc['total_deduct'],
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reason=reason,
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operator_id=session.get('user_id'),
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)
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try:
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db.session.add(record)
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rules.apply_refund(
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account, calc,
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student_id=student_id, course_id=course_id,
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)
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after = rules.account_snapshot_dict(account)
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log_operation(
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'退费',
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f'学员ID:{student_id} 退费{calc["refund_amount"]}元',
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before=before, after=after, commit=False,
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)
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db.session.commit()
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except Exception as e:
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db.session.rollback()
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flash(f'退费失败: {e}', 'danger')
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return redirect(url_for('refund_add'))
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extra = ''
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if calc['promo_clawback_hours']:
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extra = f'，优惠回退扣赠课{calc["promo_clawback_hours"]}课时'
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flash(f'退费成功！退费金额: {calc["refund_amount"]}元{extra}', 'success')
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return redirect(url_for('refund_list'))
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students = Student.query.filter_by(status=1).all()
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courses = Course.query.filter_by(status=1).all()
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return render_template('refund_form.html', students=students, courses=courses)
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@app.route('/refunds/export', endpoint='refund_export')
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@login_required
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@permission_required('refund_export')
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def refund_export():
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records = RefundRecord.query.order_by(RefundRecord.created_at.desc()).all()
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headers = ['序号', '学员姓名', '课程名称', '退费金额', '已消课时金额',
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'材料费', '赠课扣回金额', '优惠回退课时', '退费原因', '创建时间']
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rows = []
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for i, r in enumerate(records, 1):
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student = db.session.get(Student, r.student_id)
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course = db.session.get(Course, r.course_id)
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gift_amt = getattr(r, 'deduct_gifted_amount', None) or r.deduct_gifted_hours
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rows.append([
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i,
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student.name if student else '',
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course.name if course else '',
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r.refund_amount or 0,
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r.consumed_hours_value or 0,
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(r.quarters or 0) * rules.MATERIAL_FEE_PER_QUARTER,
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gift_amt or 0,
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getattr(r, 'promo_clawback_hours', 0) or 0,
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r.reason or '',
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r.created_at.strftime('%Y-%m-%d %H:%M') if r.created_at else '',
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])
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return export_excel('退费记录', headers, rows)
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@app.route('/api/calculate_refund', methods=['POST'])
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@login_required
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@permission_required('refund_view')
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def api_calculate_refund():
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data = request.get_json() or {}
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student_id = data.get('student_id')
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course_id = data.get('course_id')
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partial = data.get('partial_amount')
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partial_amount = float(partial) if partial not in (None, '') else None
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result = rules.calculate_refund(student_id, course_id, partial_amount)
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return jsonify({'success': True, 'data': result})
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