mirror of
https://github.com/go-gitea/gitea.git
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bd820aa9c5
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.
177 lines
7.6 KiB
Handlebars
177 lines
7.6 KiB
Handlebars
<div class="issue list">
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{{$approvalCounts := .ApprovalCounts}}
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{{range .Issues}}
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<li class="item gt-df gt-py-3">
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<div class="issue-item-left gt-df">
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{{if $.CanWriteIssuesOrPulls}}
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<div class="ui checkbox issue-checkbox">
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<input type="checkbox" data-issue-id={{.ID}} title="{{$.locale.Tr "repo.issues.action_check"}} «{{.Title}}»">
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</div>
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{{end}}
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<div class="issue-item-icon">
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{{if .IsPull}}
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{{if .PullRequest.HasMerged}}
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{{svg "octicon-git-merge" 16 "text purple"}}
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{{else}}
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{{if .IsClosed}}
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{{svg "octicon-git-pull-request" 16 "text red"}}
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{{else}}
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{{if .PullRequest.IsWorkInProgress}}
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{{svg "octicon-git-pull-request-draft" 16 "text grey"}}
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{{else}}
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{{svg "octicon-git-pull-request" 16 "text green"}}
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{{end}}
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{{end}}
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{{end}}
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{{else}}
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{{if .IsClosed}}
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{{svg "octicon-issue-closed" 16 "text red"}}
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{{else}}
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{{svg "octicon-issue-opened" 16 "text green"}}
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{{end}}
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{{end}}
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</div>
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</div>
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<div class="issue-item-main gt-f1 gt-fc gt-df">
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<div class="issue-item-top-row">
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<a class="title gt-tdn issue-title" href="{{if .Link}}{{.Link}}{{else}}{{$.Link}}/{{.Index}}{{end}}">{{RenderEmoji .Title | RenderCodeBlock}}</a>
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{{if .IsPull}}
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{{if (index $.CommitStatuses .PullRequest.ID)}}
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{{template "repo/commit_statuses" dict "Status" (index $.CommitLastStatus .PullRequest.ID) "Statuses" (index $.CommitStatuses .PullRequest.ID) "root" $}}
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{{end}}
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{{end}}
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<span class="labels-list gt-ml-2">
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{{range .Labels}}
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<a class="ui label" href="{{$.Link}}?q={{$.Keyword}}&type={{$.ViewType}}&state={{$.State}}&labels={{.ID}}{{if ne $.listType "milestone"}}&milestone={{$.MilestoneID}}{{end}}&assignee={{$.AssigneeID}}&poster={{$.PosterID}}" style="color: {{.ForegroundColor}}; background-color: {{.Color}}" title="{{.Description | RenderEmojiPlain}}">{{.Name | RenderEmoji}}</a>
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{{end}}
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</span>
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</div>
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<div class="desc issue-item-bottom-row gt-df gt-ac gt-fw gt-my-1">
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<a class="index gt-ml-0 gt-mr-2" href="{{if .Link}}{{.Link}}{{else}}{{$.Link}}/{{.Index}}{{end}}">
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{{if eq $.listType "dashboard"}}
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{{.Repo.FullName}}#{{.Index}}
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{{else}}
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#{{.Index}}
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{{end}}
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</a>
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{{$timeStr := TimeSinceUnix .GetLastEventTimestamp $.locale}}
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{{if .OriginalAuthor}}
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{{$.locale.Tr .GetLastEventLabelFake $timeStr (.OriginalAuthor|Escape) | Safe}}
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{{else if gt .Poster.ID 0}}
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{{$.locale.Tr .GetLastEventLabel $timeStr (.Poster.HomeLink|Escape) (.Poster.GetDisplayName | Escape) | Safe}}
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{{else}}
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{{$.locale.Tr .GetLastEventLabelFake $timeStr (.Poster.GetDisplayName | Escape) | Safe}}
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{{end}}
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{{if .IsPull}}
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<div class="branches gt-df gt-ac">
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<div class="branch">
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<a href="{{.PullRequest.BaseRepo.Link}}/src/branch/{{PathEscapeSegments .PullRequest.BaseBranch}}">
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{{/* inline to remove the spaces between spans */}}
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{{if ne .RepoID .PullRequest.BaseRepoID}}<span class="truncated-name">{{.PullRequest.BaseRepo.OwnerName}}</span>:{{end}}<span class="truncated-name">{{.PullRequest.BaseBranch}}</span>
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</a>
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</div>
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{{svg "gitea-double-chevron-left" 12 "gt-mx-1"}}
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{{if .PullRequest.HeadRepo}}
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<div class="branch">
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<a href="{{.PullRequest.HeadRepo.Link}}/src/branch/{{PathEscapeSegments .PullRequest.HeadBranch}}">
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{{/* inline to remove the spaces between spans */}}
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{{if ne .RepoID .PullRequest.HeadRepoID}}<span class="truncated-name">{{.PullRequest.HeadRepo.OwnerName}}</span>:{{end}}<span class="truncated-name">{{.PullRequest.HeadBranch}}</span>
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</a>
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</div>
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{{end}}
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</div>
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{{end}}
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{{if and .Milestone (ne $.listType "milestone")}}
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<a class="milestone" {{if $.RepoLink}}href="{{$.RepoLink}}/milestone/{{.Milestone.ID}}"{{else}}href="{{.Repo.Link}}/milestone/{{.Milestone.ID}}"{{end}}>
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{{svg "octicon-milestone" 14 "gt-mr-2"}}{{.Milestone.Name}}
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</a>
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{{end}}
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{{if .Project}}
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<a class="project" {{if $.RepoLink}}href="{{$.RepoLink}}/projects/{{.Project.ID}}"{{else}}href="{{.Repo.Link}}/projects/{{.Project.ID}}"{{end}}>
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{{svg "octicon-project" 14 "gt-mr-2"}}{{.Project.Title}}
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</a>
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{{end}}
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{{if .Ref}}
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<a class="ref" {{if $.RepoLink}}href="{{index $.IssueRefURLs .ID}}"{{else}}href="{{.Repo.Link}}{{index $.IssueRefURLs .ID}}"{{end}}>
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{{svg "octicon-git-branch" 14 "gt-mr-2"}}{{index $.IssueRefEndNames .ID}}
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</a>
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{{end}}
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{{$tasks := .GetTasks}}
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{{if gt $tasks 0}}
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{{$tasksDone := .GetTasksDone}}
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<span class="checklist">
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{{svg "octicon-checklist" 14 "gt-mr-2"}}{{$tasksDone}} / {{$tasks}}
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<progress value="{{$tasksDone}}" max="{{$tasks}}"></progress>
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</span>
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{{end}}
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{{if ne .DeadlineUnix 0}}
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<span class="due-date tooltip" data-content="{{$.locale.Tr "repo.issues.due_date"}}" data-position="right center">
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<span{{if .IsOverdue}} class="overdue"{{end}}>
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{{svg "octicon-calendar" 14 "gt-mr-2"}}
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<time data-format="short-date" datetime="{{.DeadlineUnix.FormatLong}}">{{.DeadlineUnix.FormatShort}}</time>
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</span>
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</span>
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{{end}}
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{{if .IsPull}}
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{{$approveOfficial := call $approvalCounts .ID "approve"}}
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{{$rejectOfficial := call $approvalCounts .ID "reject"}}
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{{$waitingOfficial := call $approvalCounts .ID "waiting"}}
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{{if gt $approveOfficial 0}}
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<span class="approvals gt-df gt-ac green">
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{{svg "octicon-check" 14 "gt-mr-1"}}
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{{$.locale.TrN $approveOfficial "repo.pulls.approve_count_1" "repo.pulls.approve_count_n" $approveOfficial}}
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</span>
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{{end}}
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{{if gt $rejectOfficial 0}}
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<span class="rejects gt-df gt-ac red">
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{{svg "octicon-diff" 14 "gt-mr-2"}}
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{{$.locale.TrN $rejectOfficial "repo.pulls.reject_count_1" "repo.pulls.reject_count_n" $rejectOfficial}}
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</span>
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{{end}}
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{{if gt $waitingOfficial 0}}
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<span class="waiting gt-df gt-ac">
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{{svg "octicon-eye" 14 "gt-mr-2"}}
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{{$.locale.TrN $waitingOfficial "repo.pulls.waiting_count_1" "repo.pulls.waiting_count_n" $waitingOfficial}}
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</span>
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{{end}}
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{{if and (not .PullRequest.HasMerged) (gt (len .PullRequest.ConflictedFiles) 0)}}
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<span class="conflicting gt-df gt-ac">
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{{svg "octicon-x" 14}}
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{{$.locale.TrN (len .PullRequest.ConflictedFiles) "repo.pulls.num_conflicting_files_1" "repo.pulls.num_conflicting_files_n" (len .PullRequest.ConflictedFiles)}}
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</span>
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{{end}}
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{{end}}
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</div>
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</div>
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<div class="issue-item-icons-right gt-df gt-p-2">
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<div class="issue-item-icon-right text grey">
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{{if .TotalTrackedTime}}
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{{svg "octicon-clock" 16 "gt-mr-2"}}
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{{.TotalTrackedTime | Sec2Time}}
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{{end}}
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</div>
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<div class="issue-item-icon-right text grey">
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{{range .Assignees}}
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<a class="ui assignee tooltip gt-tdn" href="{{.HomeLink}}" data-content="{{.GetDisplayName}}" data-position="left center">
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{{avatar $.Context .}}
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</a>
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{{end}}
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</div>
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<div class="issue-item-icon-right text grey">
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{{if .NumComments}}
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<a class="gt-tdn muted" href="{{if .Link}}{{.Link}}{{else}}{{$.Link}}/{{.Index}}{{end}}">
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{{svg "octicon-comment" 16 "gt-mr-2"}}{{.NumComments}}
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</a>
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{{end}}
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</div>
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</div>
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</li>
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{{end}}
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{{if .IssueIndexerUnavailable}}
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<div class="ui error message">
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<p>{{$.locale.Tr "repo.issues.keyword_search_unavailable"}}</p>
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</div>
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{{end}}
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</div>
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{{template "base/paginate" .}}
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