From dd136858f1ea40ad3c94191d647487fa4f31926c Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel@debian.org>
Date: Fri, 18 Oct 2024 20:33:49 +0200
Subject: Adding upstream version 9.0.0.

Signed-off-by: Daniel Baumann <daniel@debian.org>
---
 models/quota/rule.go | 127 +++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 127 insertions(+)
 create mode 100644 models/quota/rule.go

(limited to 'models/quota/rule.go')

diff --git a/models/quota/rule.go b/models/quota/rule.go
new file mode 100644
index 0000000..b0c6c0f
--- /dev/null
+++ b/models/quota/rule.go
@@ -0,0 +1,127 @@
+// Copyright 2024 The Forgejo Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package quota
+
+import (
+	"context"
+	"slices"
+
+	"code.gitea.io/gitea/models/db"
+)
+
+type Rule struct {
+	Name     string        `xorm:"pk not null" json:"name,omitempty"`
+	Limit    int64         `xorm:"NOT NULL" binding:"Required" json:"limit"`
+	Subjects LimitSubjects `json:"subjects,omitempty"`
+}
+
+func (r *Rule) TableName() string {
+	return "quota_rule"
+}
+
+func (r Rule) Evaluate(used Used, forSubject LimitSubject) (bool, bool) {
+	// If there's no limit, short circuit out
+	if r.Limit == -1 {
+		return true, true
+	}
+
+	// If the rule does not cover forSubject, bail out early
+	if !slices.Contains(r.Subjects, forSubject) {
+		return false, false
+	}
+
+	var sum int64
+	for _, subject := range r.Subjects {
+		sum += used.CalculateFor(subject)
+	}
+	return sum <= r.Limit, true
+}
+
+func (r *Rule) Edit(ctx context.Context, limit *int64, subjects *LimitSubjects) (*Rule, error) {
+	cols := []string{}
+
+	if limit != nil {
+		r.Limit = *limit
+		cols = append(cols, "limit")
+	}
+	if subjects != nil {
+		r.Subjects = *subjects
+		cols = append(cols, "subjects")
+	}
+
+	_, err := db.GetEngine(ctx).Where("name = ?", r.Name).Cols(cols...).Update(r)
+	return r, err
+}
+
+func GetRuleByName(ctx context.Context, name string) (*Rule, error) {
+	var rule Rule
+	has, err := db.GetEngine(ctx).Where("name = ?", name).Get(&rule)
+	if err != nil {
+		return nil, err
+	}
+	if !has {
+		return nil, nil
+	}
+	return &rule, err
+}
+
+func ListRules(ctx context.Context) ([]Rule, error) {
+	var rules []Rule
+	err := db.GetEngine(ctx).Find(&rules)
+	return rules, err
+}
+
+func DoesRuleExist(ctx context.Context, name string) (bool, error) {
+	return db.GetEngine(ctx).
+		Where("name = ?", name).
+		Get(&Rule{})
+}
+
+func CreateRule(ctx context.Context, name string, limit int64, subjects LimitSubjects) (*Rule, error) {
+	ctx, committer, err := db.TxContext(ctx)
+	if err != nil {
+		return nil, err
+	}
+	defer committer.Close()
+
+	exists, err := DoesRuleExist(ctx, name)
+	if err != nil {
+		return nil, err
+	} else if exists {
+		return nil, ErrRuleAlreadyExists{Name: name}
+	}
+
+	rule := Rule{
+		Name:     name,
+		Limit:    limit,
+		Subjects: subjects,
+	}
+	_, err = db.GetEngine(ctx).Insert(rule)
+	if err != nil {
+		return nil, err
+	}
+
+	return &rule, committer.Commit()
+}
+
+func DeleteRuleByName(ctx context.Context, name string) error {
+	ctx, committer, err := db.TxContext(ctx)
+	if err != nil {
+		return err
+	}
+	defer committer.Close()
+
+	_, err = db.GetEngine(ctx).Delete(GroupRuleMapping{
+		RuleName: name,
+	})
+	if err != nil {
+		return err
+	}
+
+	_, err = db.GetEngine(ctx).Delete(Rule{Name: name})
+	if err != nil {
+		return err
+	}
+	return committer.Commit()
+}
-- 
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