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.
413 lines
11 KiB
Go
413 lines
11 KiB
Go
// Copyright 2016 The Gitea Authors. All rights reserved.
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// SPDX-License-Identifier: MIT
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package repo
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import (
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"net/http"
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"code.gitea.io/gitea/models"
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"code.gitea.io/gitea/models/perm"
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repo_model "code.gitea.io/gitea/models/repo"
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"code.gitea.io/gitea/models/unit"
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"code.gitea.io/gitea/modules/context"
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api "code.gitea.io/gitea/modules/structs"
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"code.gitea.io/gitea/modules/web"
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"code.gitea.io/gitea/routers/api/v1/utils"
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"code.gitea.io/gitea/services/convert"
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release_service "code.gitea.io/gitea/services/release"
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)
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// GetRelease get a single release of a repository
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func GetRelease(ctx *context.APIContext) {
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// swagger:operation GET /repos/{owner}/{repo}/releases/{id} repository repoGetRelease
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// ---
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// summary: Get a release
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// produces:
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// - application/json
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// parameters:
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// - name: owner
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// in: path
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// description: owner of the repo
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// type: string
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// required: true
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// - name: repo
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// in: path
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// description: name of the repo
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// type: string
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// required: true
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// - name: id
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// in: path
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// description: id of the release to get
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// type: integer
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// format: int64
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// required: true
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// responses:
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// "200":
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// "$ref": "#/responses/Release"
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// "404":
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// "$ref": "#/responses/notFound"
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id := ctx.ParamsInt64(":id")
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release, err := repo_model.GetReleaseByID(ctx, id)
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if err != nil && !repo_model.IsErrReleaseNotExist(err) {
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ctx.Error(http.StatusInternalServerError, "GetReleaseByID", err)
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return
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}
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if err != nil && repo_model.IsErrReleaseNotExist(err) ||
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release.IsTag || release.RepoID != ctx.Repo.Repository.ID {
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ctx.NotFound()
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return
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}
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if err := release.LoadAttributes(ctx); err != nil {
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ctx.Error(http.StatusInternalServerError, "LoadAttributes", err)
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return
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}
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ctx.JSON(http.StatusOK, convert.ToRelease(ctx, release))
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}
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// GetLatestRelease gets the most recent non-prerelease, non-draft release of a repository, sorted by created_at
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func GetLatestRelease(ctx *context.APIContext) {
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// swagger:operation GET /repos/{owner}/{repo}/releases/latest repository repoGetLatestRelease
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// ---
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// summary: Gets the most recent non-prerelease, non-draft release of a repository, sorted by created_at
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// produces:
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// - application/json
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// parameters:
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// - name: owner
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// in: path
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// description: owner of the repo
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// type: string
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// required: true
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// - name: repo
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// in: path
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// description: name of the repo
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// type: string
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// required: true
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// responses:
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// "200":
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// "$ref": "#/responses/Release"
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// "404":
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// "$ref": "#/responses/notFound"
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release, err := repo_model.GetLatestReleaseByRepoID(ctx.Repo.Repository.ID)
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if err != nil && !repo_model.IsErrReleaseNotExist(err) {
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ctx.Error(http.StatusInternalServerError, "GetLatestRelease", err)
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return
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}
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if err != nil && repo_model.IsErrReleaseNotExist(err) ||
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release.IsTag || release.RepoID != ctx.Repo.Repository.ID {
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ctx.NotFound()
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return
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}
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if err := release.LoadAttributes(ctx); err != nil {
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ctx.Error(http.StatusInternalServerError, "LoadAttributes", err)
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return
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}
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ctx.JSON(http.StatusOK, convert.ToRelease(ctx, release))
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}
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// ListReleases list a repository's releases
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func ListReleases(ctx *context.APIContext) {
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// swagger:operation GET /repos/{owner}/{repo}/releases repository repoListReleases
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// ---
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// summary: List a repo's releases
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// produces:
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// - application/json
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// parameters:
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// - name: owner
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// in: path
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// description: owner of the repo
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// type: string
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// required: true
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// - name: repo
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// in: path
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// description: name of the repo
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// type: string
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// required: true
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// - name: draft
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// in: query
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// description: filter (exclude / include) drafts, if you dont have repo write access none will show
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// type: boolean
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// - name: pre-release
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// in: query
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// description: filter (exclude / include) pre-releases
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// type: boolean
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// - name: per_page
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// in: query
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// description: page size of results, deprecated - use limit
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// type: integer
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// deprecated: true
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// - name: page
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// in: query
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// description: page number of results to return (1-based)
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// type: integer
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// - name: limit
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// in: query
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// description: page size of results
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// type: integer
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// responses:
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// "200":
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// "$ref": "#/responses/ReleaseList"
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listOptions := utils.GetListOptions(ctx)
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if listOptions.PageSize == 0 && ctx.FormInt("per_page") != 0 {
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listOptions.PageSize = ctx.FormInt("per_page")
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}
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opts := repo_model.FindReleasesOptions{
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ListOptions: listOptions,
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IncludeDrafts: ctx.Repo.AccessMode >= perm.AccessModeWrite || ctx.Repo.UnitAccessMode(unit.TypeReleases) >= perm.AccessModeWrite,
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IncludeTags: false,
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IsDraft: ctx.FormOptionalBool("draft"),
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IsPreRelease: ctx.FormOptionalBool("pre-release"),
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}
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releases, err := repo_model.GetReleasesByRepoID(ctx, ctx.Repo.Repository.ID, opts)
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if err != nil {
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ctx.Error(http.StatusInternalServerError, "GetReleasesByRepoID", err)
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return
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}
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rels := make([]*api.Release, len(releases))
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for i, release := range releases {
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if err := release.LoadAttributes(ctx); err != nil {
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ctx.Error(http.StatusInternalServerError, "LoadAttributes", err)
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return
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}
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rels[i] = convert.ToRelease(ctx, release)
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}
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filteredCount, err := repo_model.CountReleasesByRepoID(ctx.Repo.Repository.ID, opts)
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if err != nil {
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ctx.InternalServerError(err)
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return
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}
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ctx.SetLinkHeader(int(filteredCount), listOptions.PageSize)
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ctx.SetTotalCountHeader(filteredCount)
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ctx.JSON(http.StatusOK, rels)
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}
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// CreateRelease create a release
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func CreateRelease(ctx *context.APIContext) {
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// swagger:operation POST /repos/{owner}/{repo}/releases repository repoCreateRelease
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// ---
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// summary: Create a release
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// consumes:
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// - application/json
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// produces:
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// - application/json
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// parameters:
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// - name: owner
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// in: path
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// description: owner of the repo
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// type: string
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// required: true
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// - name: repo
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// in: path
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// description: name of the repo
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// type: string
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// required: true
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// - name: body
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// in: body
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// schema:
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// "$ref": "#/definitions/CreateReleaseOption"
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// responses:
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// "201":
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// "$ref": "#/responses/Release"
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// "404":
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// "$ref": "#/responses/notFound"
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// "409":
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// "$ref": "#/responses/error"
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form := web.GetForm(ctx).(*api.CreateReleaseOption)
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rel, err := repo_model.GetRelease(ctx.Repo.Repository.ID, form.TagName)
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if err != nil {
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if !repo_model.IsErrReleaseNotExist(err) {
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ctx.Error(http.StatusInternalServerError, "GetRelease", err)
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return
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}
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// If target is not provided use default branch
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if len(form.Target) == 0 {
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form.Target = ctx.Repo.Repository.DefaultBranch
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}
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rel = &repo_model.Release{
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RepoID: ctx.Repo.Repository.ID,
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PublisherID: ctx.Doer.ID,
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Publisher: ctx.Doer,
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TagName: form.TagName,
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Target: form.Target,
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Title: form.Title,
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Note: form.Note,
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IsDraft: form.IsDraft,
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IsPrerelease: form.IsPrerelease,
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IsTag: false,
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Repo: ctx.Repo.Repository,
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}
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if err := release_service.CreateRelease(ctx.Repo.GitRepo, rel, nil, ""); err != nil {
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if repo_model.IsErrReleaseAlreadyExist(err) {
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ctx.Error(http.StatusConflict, "ReleaseAlreadyExist", err)
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} else {
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ctx.Error(http.StatusInternalServerError, "CreateRelease", err)
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}
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return
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}
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} else {
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if !rel.IsTag {
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ctx.Error(http.StatusConflict, "GetRelease", "Release is has no Tag")
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return
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}
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rel.Title = form.Title
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rel.Note = form.Note
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rel.IsDraft = form.IsDraft
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rel.IsPrerelease = form.IsPrerelease
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rel.PublisherID = ctx.Doer.ID
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rel.IsTag = false
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rel.Repo = ctx.Repo.Repository
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rel.Publisher = ctx.Doer
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rel.Target = form.Target
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if err = release_service.UpdateRelease(ctx.Doer, ctx.Repo.GitRepo, rel, nil, nil, nil); err != nil {
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ctx.Error(http.StatusInternalServerError, "UpdateRelease", err)
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return
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}
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}
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ctx.JSON(http.StatusCreated, convert.ToRelease(ctx, rel))
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}
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// EditRelease edit a release
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func EditRelease(ctx *context.APIContext) {
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// swagger:operation PATCH /repos/{owner}/{repo}/releases/{id} repository repoEditRelease
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// ---
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// summary: Update a release
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// consumes:
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// - application/json
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// produces:
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// - application/json
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// parameters:
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// - name: owner
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// in: path
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// description: owner of the repo
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// type: string
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// required: true
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// - name: repo
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// in: path
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// description: name of the repo
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// type: string
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// required: true
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// - name: id
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// in: path
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// description: id of the release to edit
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// type: integer
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// format: int64
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// required: true
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// - name: body
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// in: body
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// schema:
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// "$ref": "#/definitions/EditReleaseOption"
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// responses:
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// "200":
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// "$ref": "#/responses/Release"
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// "404":
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// "$ref": "#/responses/notFound"
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form := web.GetForm(ctx).(*api.EditReleaseOption)
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id := ctx.ParamsInt64(":id")
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rel, err := repo_model.GetReleaseByID(ctx, id)
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if err != nil && !repo_model.IsErrReleaseNotExist(err) {
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ctx.Error(http.StatusInternalServerError, "GetReleaseByID", err)
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return
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}
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if err != nil && repo_model.IsErrReleaseNotExist(err) ||
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rel.IsTag || rel.RepoID != ctx.Repo.Repository.ID {
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ctx.NotFound()
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return
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}
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if len(form.TagName) > 0 {
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rel.TagName = form.TagName
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}
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if len(form.Target) > 0 {
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rel.Target = form.Target
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}
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if len(form.Title) > 0 {
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rel.Title = form.Title
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}
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if len(form.Note) > 0 {
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rel.Note = form.Note
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}
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if form.IsDraft != nil {
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rel.IsDraft = *form.IsDraft
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}
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if form.IsPrerelease != nil {
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rel.IsPrerelease = *form.IsPrerelease
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}
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if err := release_service.UpdateRelease(ctx.Doer, ctx.Repo.GitRepo, rel, nil, nil, nil); err != nil {
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ctx.Error(http.StatusInternalServerError, "UpdateRelease", err)
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return
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}
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// reload data from database
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rel, err = repo_model.GetReleaseByID(ctx, id)
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if err != nil {
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ctx.Error(http.StatusInternalServerError, "GetReleaseByID", err)
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return
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}
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if err := rel.LoadAttributes(ctx); err != nil {
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ctx.Error(http.StatusInternalServerError, "LoadAttributes", err)
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return
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}
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ctx.JSON(http.StatusOK, convert.ToRelease(ctx, rel))
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}
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// DeleteRelease delete a release from a repository
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func DeleteRelease(ctx *context.APIContext) {
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// swagger:operation DELETE /repos/{owner}/{repo}/releases/{id} repository repoDeleteRelease
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// ---
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// summary: Delete a release
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// parameters:
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// - name: owner
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// in: path
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// description: owner of the repo
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// type: string
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// required: true
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// - name: repo
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// in: path
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// description: name of the repo
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// type: string
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// required: true
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// - name: id
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// in: path
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// description: id of the release to delete
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// type: integer
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// format: int64
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// required: true
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// responses:
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// "204":
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// "$ref": "#/responses/empty"
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// "404":
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// "$ref": "#/responses/notFound"
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// "405":
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// "$ref": "#/responses/empty"
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id := ctx.ParamsInt64(":id")
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rel, err := repo_model.GetReleaseByID(ctx, id)
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if err != nil && !repo_model.IsErrReleaseNotExist(err) {
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ctx.Error(http.StatusInternalServerError, "GetReleaseByID", err)
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return
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}
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if err != nil && repo_model.IsErrReleaseNotExist(err) ||
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rel.IsTag || rel.RepoID != ctx.Repo.Repository.ID {
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ctx.NotFound()
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return
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}
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if err := release_service.DeleteReleaseByID(ctx, id, ctx.Doer, false); err != nil {
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if models.IsErrProtectedTagName(err) {
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ctx.Error(http.StatusMethodNotAllowed, "delTag", "user not allowed to delete protected tag")
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return
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}
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ctx.Error(http.StatusInternalServerError, "DeleteReleaseByID", err)
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return
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}
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ctx.Status(http.StatusNoContent)
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}
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