mirror of
https://github.com/go-gitea/gitea.git
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To avoid duplicated load of the same data in an HTTP request, we can set a context cache to do that. i.e. Some pages may load a user from a database with the same id in different areas on the same page. But the code is hidden in two different deep logic. How should we share the user? As a result of this PR, now if both entry functions accept `context.Context` as the first parameter and we just need to refactor `GetUserByID` to reuse the user from the context cache. Then it will not be loaded twice on an HTTP request. But of course, sometimes we would like to reload an object from the database, that's why `RemoveContextData` is also exposed. The core context cache is here. It defines a new context ```go type cacheContext struct { ctx context.Context data map[any]map[any]any lock sync.RWMutex } var cacheContextKey = struct{}{} func WithCacheContext(ctx context.Context) context.Context { return context.WithValue(ctx, cacheContextKey, &cacheContext{ ctx: ctx, data: make(map[any]map[any]any), }) } ``` Then you can use the below 4 methods to read/write/del the data within the same context. ```go func GetContextData(ctx context.Context, tp, key any) any func SetContextData(ctx context.Context, tp, key, value any) func RemoveContextData(ctx context.Context, tp, key any) func GetWithContextCache[T any](ctx context.Context, cacheGroupKey string, cacheTargetID any, f func() (T, error)) (T, error) ``` Then let's take a look at how `system.GetString` implement it. ```go func GetSetting(ctx context.Context, key string) (string, error) { return cache.GetWithContextCache(ctx, contextCacheKey, key, func() (string, error) { return cache.GetString(genSettingCacheKey(key), func() (string, error) { res, err := GetSettingNoCache(ctx, key) if err != nil { return "", err } return res.SettingValue, nil }) }) } ``` First, it will check if context data include the setting object with the key. If not, it will query from the global cache which may be memory or a Redis cache. If not, it will get the object from the database. In the end, if the object gets from the global cache or database, it will be set into the context cache. An object stored in the context cache will only be destroyed after the context disappeared.
366 lines
11 KiB
Go
366 lines
11 KiB
Go
// Copyright 2017 The Gitea Authors. All rights reserved.
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// SPDX-License-Identifier: MIT
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package activities
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import (
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"context"
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"fmt"
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"sort"
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"time"
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"code.gitea.io/gitea/models/db"
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issues_model "code.gitea.io/gitea/models/issues"
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repo_model "code.gitea.io/gitea/models/repo"
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user_model "code.gitea.io/gitea/models/user"
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"code.gitea.io/gitea/modules/git"
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"xorm.io/xorm"
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)
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// ActivityAuthorData represents statistical git commit count data
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type ActivityAuthorData struct {
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Name string `json:"name"`
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Login string `json:"login"`
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AvatarLink string `json:"avatar_link"`
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HomeLink string `json:"home_link"`
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Commits int64 `json:"commits"`
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}
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// ActivityStats represents issue and pull request information.
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type ActivityStats struct {
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OpenedPRs issues_model.PullRequestList
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OpenedPRAuthorCount int64
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MergedPRs issues_model.PullRequestList
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MergedPRAuthorCount int64
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OpenedIssues issues_model.IssueList
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OpenedIssueAuthorCount int64
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ClosedIssues issues_model.IssueList
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ClosedIssueAuthorCount int64
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UnresolvedIssues issues_model.IssueList
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PublishedReleases []*repo_model.Release
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PublishedReleaseAuthorCount int64
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Code *git.CodeActivityStats
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}
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// GetActivityStats return stats for repository at given time range
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func GetActivityStats(ctx context.Context, repo *repo_model.Repository, timeFrom time.Time, releases, issues, prs, code bool) (*ActivityStats, error) {
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stats := &ActivityStats{Code: &git.CodeActivityStats{}}
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if releases {
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if err := stats.FillReleases(repo.ID, timeFrom); err != nil {
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return nil, fmt.Errorf("FillReleases: %w", err)
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}
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}
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if prs {
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if err := stats.FillPullRequests(repo.ID, timeFrom); err != nil {
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return nil, fmt.Errorf("FillPullRequests: %w", err)
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}
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}
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if issues {
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if err := stats.FillIssues(repo.ID, timeFrom); err != nil {
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return nil, fmt.Errorf("FillIssues: %w", err)
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}
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}
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if err := stats.FillUnresolvedIssues(repo.ID, timeFrom, issues, prs); err != nil {
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return nil, fmt.Errorf("FillUnresolvedIssues: %w", err)
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}
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if code {
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gitRepo, closer, err := git.RepositoryFromContextOrOpen(ctx, repo.RepoPath())
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if err != nil {
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return nil, fmt.Errorf("OpenRepository: %w", err)
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}
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defer closer.Close()
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code, err := gitRepo.GetCodeActivityStats(timeFrom, repo.DefaultBranch)
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if err != nil {
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return nil, fmt.Errorf("FillFromGit: %w", err)
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}
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stats.Code = code
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}
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return stats, nil
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}
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// GetActivityStatsTopAuthors returns top author stats for git commits for all branches
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func GetActivityStatsTopAuthors(ctx context.Context, repo *repo_model.Repository, timeFrom time.Time, count int) ([]*ActivityAuthorData, error) {
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gitRepo, closer, err := git.RepositoryFromContextOrOpen(ctx, repo.RepoPath())
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if err != nil {
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return nil, fmt.Errorf("OpenRepository: %w", err)
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}
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defer closer.Close()
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code, err := gitRepo.GetCodeActivityStats(timeFrom, "")
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if err != nil {
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return nil, fmt.Errorf("FillFromGit: %w", err)
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}
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if code.Authors == nil {
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return nil, nil
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}
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users := make(map[int64]*ActivityAuthorData)
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var unknownUserID int64
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unknownUserAvatarLink := user_model.NewGhostUser().AvatarLink(ctx)
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for _, v := range code.Authors {
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if len(v.Email) == 0 {
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continue
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}
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u, err := user_model.GetUserByEmail(ctx, v.Email)
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if u == nil || user_model.IsErrUserNotExist(err) {
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unknownUserID--
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users[unknownUserID] = &ActivityAuthorData{
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Name: v.Name,
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AvatarLink: unknownUserAvatarLink,
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Commits: v.Commits,
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}
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continue
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}
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if err != nil {
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return nil, err
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}
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if user, ok := users[u.ID]; !ok {
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users[u.ID] = &ActivityAuthorData{
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Name: u.DisplayName(),
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Login: u.LowerName,
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AvatarLink: u.AvatarLink(ctx),
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HomeLink: u.HomeLink(),
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Commits: v.Commits,
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}
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} else {
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user.Commits += v.Commits
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}
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}
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v := make([]*ActivityAuthorData, 0, len(users))
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for _, u := range users {
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v = append(v, u)
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}
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sort.Slice(v, func(i, j int) bool {
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return v[i].Commits > v[j].Commits
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})
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cnt := count
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if cnt > len(v) {
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cnt = len(v)
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}
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return v[:cnt], nil
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}
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// ActivePRCount returns total active pull request count
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func (stats *ActivityStats) ActivePRCount() int {
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return stats.OpenedPRCount() + stats.MergedPRCount()
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}
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// OpenedPRCount returns opened pull request count
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func (stats *ActivityStats) OpenedPRCount() int {
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return len(stats.OpenedPRs)
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}
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// OpenedPRPerc returns opened pull request percents from total active
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func (stats *ActivityStats) OpenedPRPerc() int {
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return int(float32(stats.OpenedPRCount()) / float32(stats.ActivePRCount()) * 100.0)
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}
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// MergedPRCount returns merged pull request count
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func (stats *ActivityStats) MergedPRCount() int {
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return len(stats.MergedPRs)
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}
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// MergedPRPerc returns merged pull request percent from total active
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func (stats *ActivityStats) MergedPRPerc() int {
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return int(float32(stats.MergedPRCount()) / float32(stats.ActivePRCount()) * 100.0)
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}
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// ActiveIssueCount returns total active issue count
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func (stats *ActivityStats) ActiveIssueCount() int {
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return stats.OpenedIssueCount() + stats.ClosedIssueCount()
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}
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// OpenedIssueCount returns open issue count
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func (stats *ActivityStats) OpenedIssueCount() int {
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return len(stats.OpenedIssues)
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}
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// OpenedIssuePerc returns open issue count percent from total active
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func (stats *ActivityStats) OpenedIssuePerc() int {
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return int(float32(stats.OpenedIssueCount()) / float32(stats.ActiveIssueCount()) * 100.0)
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}
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// ClosedIssueCount returns closed issue count
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func (stats *ActivityStats) ClosedIssueCount() int {
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return len(stats.ClosedIssues)
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}
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// ClosedIssuePerc returns closed issue count percent from total active
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func (stats *ActivityStats) ClosedIssuePerc() int {
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return int(float32(stats.ClosedIssueCount()) / float32(stats.ActiveIssueCount()) * 100.0)
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}
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// UnresolvedIssueCount returns unresolved issue and pull request count
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func (stats *ActivityStats) UnresolvedIssueCount() int {
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return len(stats.UnresolvedIssues)
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}
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// PublishedReleaseCount returns published release count
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func (stats *ActivityStats) PublishedReleaseCount() int {
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return len(stats.PublishedReleases)
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}
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// FillPullRequests returns pull request information for activity page
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func (stats *ActivityStats) FillPullRequests(repoID int64, fromTime time.Time) error {
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var err error
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var count int64
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// Merged pull requests
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sess := pullRequestsForActivityStatement(repoID, fromTime, true)
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sess.OrderBy("pull_request.merged_unix DESC")
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stats.MergedPRs = make(issues_model.PullRequestList, 0)
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if err = sess.Find(&stats.MergedPRs); err != nil {
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return err
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}
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if err = stats.MergedPRs.LoadAttributes(); err != nil {
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return err
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}
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// Merged pull request authors
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sess = pullRequestsForActivityStatement(repoID, fromTime, true)
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if _, err = sess.Select("count(distinct issue.poster_id) as `count`").Table("pull_request").Get(&count); err != nil {
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return err
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}
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stats.MergedPRAuthorCount = count
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// Opened pull requests
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sess = pullRequestsForActivityStatement(repoID, fromTime, false)
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sess.OrderBy("issue.created_unix ASC")
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stats.OpenedPRs = make(issues_model.PullRequestList, 0)
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if err = sess.Find(&stats.OpenedPRs); err != nil {
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return err
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}
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if err = stats.OpenedPRs.LoadAttributes(); err != nil {
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return err
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}
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// Opened pull request authors
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sess = pullRequestsForActivityStatement(repoID, fromTime, false)
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if _, err = sess.Select("count(distinct issue.poster_id) as `count`").Table("pull_request").Get(&count); err != nil {
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return err
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}
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stats.OpenedPRAuthorCount = count
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return nil
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}
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func pullRequestsForActivityStatement(repoID int64, fromTime time.Time, merged bool) *xorm.Session {
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sess := db.GetEngine(db.DefaultContext).Where("pull_request.base_repo_id=?", repoID).
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Join("INNER", "issue", "pull_request.issue_id = issue.id")
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if merged {
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sess.And("pull_request.has_merged = ?", true)
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sess.And("pull_request.merged_unix >= ?", fromTime.Unix())
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} else {
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sess.And("issue.is_closed = ?", false)
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sess.And("issue.created_unix >= ?", fromTime.Unix())
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}
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return sess
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}
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// FillIssues returns issue information for activity page
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func (stats *ActivityStats) FillIssues(repoID int64, fromTime time.Time) error {
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var err error
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var count int64
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// Closed issues
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sess := issuesForActivityStatement(repoID, fromTime, true, false)
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sess.OrderBy("issue.closed_unix DESC")
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stats.ClosedIssues = make(issues_model.IssueList, 0)
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if err = sess.Find(&stats.ClosedIssues); err != nil {
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return err
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}
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// Closed issue authors
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sess = issuesForActivityStatement(repoID, fromTime, true, false)
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if _, err = sess.Select("count(distinct issue.poster_id) as `count`").Table("issue").Get(&count); err != nil {
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return err
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}
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stats.ClosedIssueAuthorCount = count
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// New issues
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sess = issuesForActivityStatement(repoID, fromTime, false, false)
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sess.OrderBy("issue.created_unix ASC")
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stats.OpenedIssues = make(issues_model.IssueList, 0)
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if err = sess.Find(&stats.OpenedIssues); err != nil {
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return err
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}
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// Opened issue authors
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sess = issuesForActivityStatement(repoID, fromTime, false, false)
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if _, err = sess.Select("count(distinct issue.poster_id) as `count`").Table("issue").Get(&count); err != nil {
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return err
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}
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stats.OpenedIssueAuthorCount = count
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return nil
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}
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// FillUnresolvedIssues returns unresolved issue and pull request information for activity page
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func (stats *ActivityStats) FillUnresolvedIssues(repoID int64, fromTime time.Time, issues, prs bool) error {
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// Check if we need to select anything
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if !issues && !prs {
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return nil
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}
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sess := issuesForActivityStatement(repoID, fromTime, false, true)
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if !issues || !prs {
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sess.And("issue.is_pull = ?", prs)
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}
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sess.OrderBy("issue.updated_unix DESC")
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stats.UnresolvedIssues = make(issues_model.IssueList, 0)
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return sess.Find(&stats.UnresolvedIssues)
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}
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func issuesForActivityStatement(repoID int64, fromTime time.Time, closed, unresolved bool) *xorm.Session {
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sess := db.GetEngine(db.DefaultContext).Where("issue.repo_id = ?", repoID).
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And("issue.is_closed = ?", closed)
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if !unresolved {
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sess.And("issue.is_pull = ?", false)
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if closed {
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sess.And("issue.closed_unix >= ?", fromTime.Unix())
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} else {
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sess.And("issue.created_unix >= ?", fromTime.Unix())
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}
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} else {
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sess.And("issue.created_unix < ?", fromTime.Unix())
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sess.And("issue.updated_unix >= ?", fromTime.Unix())
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}
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return sess
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}
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// FillReleases returns release information for activity page
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func (stats *ActivityStats) FillReleases(repoID int64, fromTime time.Time) error {
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var err error
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var count int64
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// Published releases list
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sess := releasesForActivityStatement(repoID, fromTime)
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sess.OrderBy("release.created_unix DESC")
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stats.PublishedReleases = make([]*repo_model.Release, 0)
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if err = sess.Find(&stats.PublishedReleases); err != nil {
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return err
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}
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// Published releases authors
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sess = releasesForActivityStatement(repoID, fromTime)
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if _, err = sess.Select("count(distinct release.publisher_id) as `count`").Table("release").Get(&count); err != nil {
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return err
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}
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stats.PublishedReleaseAuthorCount = count
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return nil
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}
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func releasesForActivityStatement(repoID int64, fromTime time.Time) *xorm.Session {
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return db.GetEngine(db.DefaultContext).Where("release.repo_id = ?", repoID).
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And("release.is_draft = ?", false).
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And("release.created_unix >= ?", fromTime.Unix())
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}
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