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// Copyright 2023 The Gitea Authors. All rights reserved.
// SPDX-License-Identifier: MIT
package issues
import (
"context"
"fmt"
"code.gitea.io/gitea/models/db"
"xorm.io/builder"
"xorm.io/xorm"
)
// IssueStats represents issue statistic information.
type IssueStats struct {
OpenCount, ClosedCount int64
YourRepositoriesCount int64
AssignCount int64
CreateCount int64
MentionCount int64
ReviewRequestedCount int64
ReviewedCount int64
}
// Filter modes.
const (
FilterModeAll = iota
FilterModeAssign
FilterModeCreate
FilterModeMention
FilterModeReviewRequested
FilterModeReviewed
FilterModeYourRepositories
)
const (
// MaxQueryParameters represents the max query parameters
// When queries are broken down in parts because of the number
// of parameters, attempt to break by this amount
MaxQueryParameters = 300
)
// CountIssuesByRepo map from repoID to number of issues matching the options
func CountIssuesByRepo(ctx context.Context, opts *IssuesOptions) (map[int64]int64, error) {
sess := db.GetEngine(ctx).
Join("INNER", "repository", "`issue`.repo_id = `repository`.id")
applyConditions(sess, opts)
countsSlice := make([]*struct {
RepoID int64
Count int64
}, 0, 10)
if err := sess.GroupBy("issue.repo_id").
Select("issue.repo_id AS repo_id, COUNT(*) AS count").
Table("issue").
Find(&countsSlice); err != nil {
return nil, fmt.Errorf("unable to CountIssuesByRepo: %w", err)
}
countMap := make(map[int64]int64, len(countsSlice))
for _, c := range countsSlice {
countMap[c.RepoID] = c.Count
}
return countMap, nil
}
// CountIssues number return of issues by given conditions.
func CountIssues(ctx context.Context, opts *IssuesOptions, otherConds ...builder.Cond) (int64, error) {
sess := db.GetEngine(ctx).
Select("COUNT(issue.id) AS count").
Table("issue").
Join("INNER", "repository", "`issue`.repo_id = `repository`.id")
applyConditions(sess, opts)
for _, cond := range otherConds {
sess.And(cond)
}
return sess.Count()
}
// GetIssueStats returns issue statistic information by given conditions.
func GetIssueStats(ctx context.Context, opts *IssuesOptions) (*IssueStats, error) {
if len(opts.IssueIDs) <= MaxQueryParameters {
return getIssueStatsChunk(ctx, opts, opts.IssueIDs)
}
// If too long a list of IDs is provided, we get the statistics in
// smaller chunks and get accumulates. Note: this could potentially
// get us invalid results. The alternative is to insert the list of
// ids in a temporary table and join from them.
accum := &IssueStats{}
for i := 0; i < len(opts.IssueIDs); {
chunk := i + MaxQueryParameters
if chunk > len(opts.IssueIDs) {
chunk = len(opts.IssueIDs)
}
stats, err := getIssueStatsChunk(ctx, opts, opts.IssueIDs[i:chunk])
if err != nil {
return nil, err
}
accum.OpenCount += stats.OpenCount
accum.ClosedCount += stats.ClosedCount
accum.YourRepositoriesCount += stats.YourRepositoriesCount
accum.AssignCount += stats.AssignCount
accum.CreateCount += stats.CreateCount
accum.MentionCount += stats.MentionCount
accum.ReviewRequestedCount += stats.ReviewRequestedCount
accum.ReviewedCount += stats.ReviewedCount
i = chunk
}
return accum, nil
}
func getIssueStatsChunk(ctx context.Context, opts *IssuesOptions, issueIDs []int64) (*IssueStats, error) {
stats := &IssueStats{}
sess := db.GetEngine(ctx).
Join("INNER", "repository", "`issue`.repo_id = `repository`.id")
var err error
stats.OpenCount, err = applyIssuesOptions(sess, opts, issueIDs).
And("issue.is_closed = ?", false).
Count(new(Issue))
if err != nil {
return stats, err
}
stats.ClosedCount, err = applyIssuesOptions(sess, opts, issueIDs).
And("issue.is_closed = ?", true).
Count(new(Issue))
return stats, err
}
func applyIssuesOptions(sess *xorm.Session, opts *IssuesOptions, issueIDs []int64) *xorm.Session {
if len(opts.RepoIDs) > 1 {
sess.In("issue.repo_id", opts.RepoIDs)
} else if len(opts.RepoIDs) == 1 {
sess.And("issue.repo_id = ?", opts.RepoIDs[0])
}
if len(issueIDs) > 0 {
sess.In("issue.id", issueIDs)
}
applyLabelsCondition(sess, opts)
applyMilestoneCondition(sess, opts)
applyProjectCondition(sess, opts)
if opts.AssigneeID > 0 {
applyAssigneeCondition(sess, opts.AssigneeID)
} else if opts.AssigneeID == db.NoConditionID {
sess.Where("issue.id NOT IN (SELECT issue_id FROM issue_assignees)")
}
if opts.PosterID > 0 {
applyPosterCondition(sess, opts.PosterID)
}
if opts.MentionedID > 0 {
applyMentionedCondition(sess, opts.MentionedID)
}
if opts.ReviewRequestedID > 0 {
applyReviewRequestedCondition(sess, opts.ReviewRequestedID)
}
if opts.ReviewedID > 0 {
applyReviewedCondition(sess, opts.ReviewedID)
}
if opts.IsPull.Has() {
sess.And("issue.is_pull=?", opts.IsPull.Value())
}
return sess
}
// CountOrphanedIssues count issues without a repo
func CountOrphanedIssues(ctx context.Context) (int64, error) {
return db.GetEngine(ctx).
Table("issue").
Join("LEFT", "repository", "issue.repo_id=repository.id").
Where(builder.IsNull{"repository.id"}).
Select("COUNT(`issue`.`id`)").
Count()
}
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