Updating context and fixing permission issues

The boolean flags in the repo context have been replaced with mode and two methods

Also, the permissions have been brought more in line with https://help.github.com/articles/permission-levels-for-an-organization-repository/ , Admin Team members are able to change settings of their repositories.

modules/middleware/context.go

@@ -38,29 +38,7 @@ type Context struct {
 	IsSigned    bool
 	IsBasicAuth bool
 
-	Repo struct {
-		IsOwner      bool
-		IsTrueOwner  bool
-		IsWatching   bool
-		IsBranch     bool
-		IsTag        bool
-		IsCommit     bool
-		IsAdmin      bool // Current user is admin level.
-		HasAccess    bool
-		Repository   *models.Repository
-		Owner        *models.User
-		Commit       *git.Commit
-		Tag          *git.Tag
-		GitRepo      *git.Repository
-		BranchName   string
-		TagName      string
-		TreeName     string
-		CommitId     string
-		RepoLink     string
-		CloneLink    models.CloneLink
-		CommitsCount int
-		Mirror       *models.Mirror
-	}
+	Repo RepoContext
 
 	Org struct {
 		IsOwner      bool
@@ -73,6 +51,37 @@ type Context struct {
 	}
 }
 
+type RepoContext struct {
+	AccessMode   models.AccessMode
+	IsWatching   bool
+	IsBranch     bool
+	IsTag        bool
+	IsCommit     bool
+	Repository   *models.Repository
+	Owner        *models.User
+	Commit       *git.Commit
+	Tag          *git.Tag
+	GitRepo      *git.Repository
+	BranchName   string
+	TagName      string
+	TreeName     string
+	CommitId     string
+	RepoLink     string
+	CloneLink    models.CloneLink
+	CommitsCount int
+	Mirror       *models.Mirror
+}
+
+// Return if the current user has write access for this repository
+func (r RepoContext) IsOwner() bool {
+	return r.AccessMode >= models.ACCESS_MODE_WRITE
+}
+
+// Return if the current user has read access for this repository
+func (r RepoContext) HasAccess() bool {
+	return r.AccessMode >= models.ACCESS_MODE_READ
+}
+
 // HasError returns true if error occurs in form validation.
 func (ctx *Context) HasApiError() bool {
 	hasErr, ok := ctx.Data["HasError"]