Make dashboard newsfeed list length a configurable item

custom/conf/app.example.ini

@@ -164,6 +164,8 @@ EXPLORE_PAGING_NUM = 20
 ISSUE_PAGING_NUM = 10
 ; Number of maximum commits displayed in one activity feed
 FEED_MAX_COMMIT_NUM = 5
+; Number of items that are displayed in home feed
+FEED_PAGING_NUM = 20
 ; Number of maximum commits displayed in commit graph.
 GRAPH_MAX_COMMIT_NUM = 100
 ; Number of line of codes shown for a code comment

docs/content/doc/advanced/config-cheat-sheet.en-us.md

@@ -127,6 +127,7 @@ Values containing `#` or `;` must be quoted using `` ` `` or `"""`.
 - `ISSUE_PAGING_NUM`: **10**: Number of issues that are shown in one page (for all pages that list issues).
 - `MEMBERS_PAGING_NUM`: **20**: Number of members that are shown in organization members.
 - `FEED_MAX_COMMIT_NUM`: **5**: Number of maximum commits shown in one activity feed.
+- `FEED_PAGING_NUM`: **20**: Number of items that are displayed in home feed.
 - `GRAPH_MAX_COMMIT_NUM`: **100**: Number of maximum commits shown in the commit graph.
 - `DEFAULT_THEME`: **gitea**: \[gitea, arc-green\]: Set the default theme for the Gitea install.
 - `THEMES`:  **gitea,arc-green**: All available themes. Allow users select personalized themes

models/action.go

@@ -339,9 +339,9 @@ func GetFeeds(opts GetFeedsOptions) ([]*Action, error) {
 		cond = cond.And(builder.Eq{"is_deleted": false})
 	}
 
-	actions := make([]*Action, 0, 20)
+	actions := make([]*Action, 0, setting.UI.FeedPagingNum)
 
-	if err := x.Limit(20).Desc("id").Where(cond).Find(&actions); err != nil {
+	if err := x.Limit(setting.UI.FeedPagingNum).Desc("id").Where(cond).Find(&actions); err != nil {
 		return nil, fmt.Errorf("Find: %v", err)
 	}
 

modules/setting/setting.go

@@ -166,6 +166,7 @@ var (
 		RepoSearchPagingNum   int
 		MembersPagingNum      int
 		FeedMaxCommitNum      int
+		FeedPagingNum         int
 		GraphMaxCommitNum     int
 		CodeCommentLines      int
 		ReactionMaxUserNum    int
@@ -207,6 +208,7 @@ var (
 		RepoSearchPagingNum: 10,
 		MembersPagingNum:    20,
 		FeedMaxCommitNum:    5,
+		FeedPagingNum:       20,
 		GraphMaxCommitNum:   100,
 		CodeCommentLines:    4,
 		ReactionMaxUserNum:  10,