perf(ui): don't ask postgres for entries content if we're not using it

No need for postgresql to look up and send our way entries content if we're not
going to make use of it in the first place

internal/storage/entry_query_builder.go

@@ -25,6 +25,7 @@ type EntryQueryBuilder struct {
 	limit           int
 	offset          int
 	fetchEnclosures bool
+	excludeContent  bool
 }
 
 // WithEnclosures fetches enclosures for each entry.
@@ -33,6 +34,14 @@ func (e *EntryQueryBuilder) WithEnclosures() *EntryQueryBuilder {
 	return e
 }
 
+// WithoutContent excludes the content column from the query results,
+// replacing it with an empty string. This significantly reduces data
+// transfer from PostgreSQL on list pages where content is not displayed.
+func (e *EntryQueryBuilder) WithoutContent() *EntryQueryBuilder {
+	e.excludeContent = true
+	return e
+}
+
 // WithSearchQuery adds full-text search query to the condition.
 func (e *EntryQueryBuilder) WithSearchQuery(query string) *EntryQueryBuilder {
 	if query != "" {
@@ -298,7 +307,7 @@ func (e *EntryQueryBuilder) fetchEntries(withCount bool) (model.Entries, int, er
 			e.comments_url,
 			e.author,
 			e.share_code,
-			e.content,
+			` + e.contentColumn() + `,
 			e.status,
 			e.starred,
 			e.reading_time,
@@ -479,6 +488,13 @@ func (e *EntryQueryBuilder) GetEntryIDs() ([]int64, error) {
 	return entryIDs, nil
 }
 
+func (e *EntryQueryBuilder) contentColumn() string {
+	if e.excludeContent {
+		return "'' AS content"
+	}
+	return "e.content"
+}
+
 func (e *EntryQueryBuilder) buildCondition() string {
 	return strings.Join(e.conditions, " AND ")
 }

internal/ui/category_entries.go

@@ -38,6 +38,7 @@ func (h *handler) showCategoryEntriesPage(w http.ResponseWriter, r *http.Request
 	builder.WithSorting(user.EntryOrder, user.EntryDirection)
 	builder.WithSorting("id", user.EntryDirection)
 	builder.WithStatus(model.EntryStatusUnread)
+	builder.WithoutContent()
 	builder.WithOffset(offset)
 	builder.WithLimit(user.EntriesPerPage)
 

internal/ui/category_entries_all.go

@@ -38,6 +38,7 @@ func (h *handler) showCategoryEntriesAllPage(w http.ResponseWriter, r *http.Requ
 	builder.WithSorting(user.EntryOrder, user.EntryDirection)
 	builder.WithSorting("id", user.EntryDirection)
 	builder.WithoutStatus(model.EntryStatusRemoved)
+	builder.WithoutContent()
 	builder.WithOffset(offset)
 	builder.WithLimit(user.EntriesPerPage)
 

internal/ui/category_entries_starred.go

@@ -39,6 +39,7 @@ func (h *handler) showCategoryEntriesStarredPage(w http.ResponseWriter, r *http.
 	builder.WithSorting("id", user.EntryDirection)
 	builder.WithoutStatus(model.EntryStatusRemoved)
 	builder.WithStarred(true)
+	builder.WithoutContent()
 	builder.WithOffset(offset)
 	builder.WithLimit(user.EntriesPerPage)
 

internal/ui/feed_entries.go

@@ -40,6 +40,7 @@ func (h *handler) showFeedEntriesPage(w http.ResponseWriter, r *http.Request) {
 	builder.WithSorting("id", user.EntryDirection)
 	builder.WithOffset(offset)
 	builder.WithLimit(user.EntriesPerPage)
+	builder.WithoutContent()
 
 	entries, count, err := builder.GetEntriesWithCount()
 	if err != nil {

internal/ui/feed_entries_all.go

@@ -38,6 +38,7 @@ func (h *handler) showFeedEntriesAllPage(w http.ResponseWriter, r *http.Request)
 	builder.WithoutStatus(model.EntryStatusRemoved)
 	builder.WithSorting(user.EntryOrder, user.EntryDirection)
 	builder.WithSorting("id", user.EntryDirection)
+	builder.WithoutContent()
 	builder.WithOffset(offset)
 	builder.WithLimit(user.EntriesPerPage)
 

internal/ui/history_entries.go

@@ -25,6 +25,7 @@ func (h *handler) showHistoryPage(w http.ResponseWriter, r *http.Request) {
 	builder.WithStatus(model.EntryStatusRead)
 	builder.WithSorting("changed_at", "DESC")
 	builder.WithSorting("published_at", "DESC")
+	builder.WithoutContent()
 	builder.WithOffset(offset)
 	builder.WithLimit(user.EntriesPerPage)
 

internal/ui/search.go

@@ -34,6 +34,7 @@ func (h *handler) showSearchPage(w http.ResponseWriter, r *http.Request) {
 			builder.WithStatus(model.EntryStatusUnread)
 		}
 		builder.WithoutStatus(model.EntryStatusRemoved)
+		builder.WithoutContent()
 		builder.WithOffset(offset)
 		builder.WithLimit(user.EntriesPerPage)
 

internal/ui/shared_entries.go

@@ -26,6 +26,7 @@ func (h *handler) sharedEntries(w http.ResponseWriter, r *http.Request) {
 	builder.WithSorting("id", user.EntryDirection)
 	builder.WithOffset(offset)
 	builder.WithLimit(user.EntriesPerPage)
+	builder.WithoutContent()
 
 	entries, count, err := builder.GetEntriesWithCount()
 	if err != nil {

internal/ui/starred_entries.go

@@ -28,6 +28,7 @@ func (h *handler) showStarredPage(w http.ResponseWriter, r *http.Request) {
 	builder.WithSorting("id", user.EntryDirection)
 	builder.WithOffset(offset)
 	builder.WithLimit(user.EntriesPerPage)
+	builder.WithoutContent()
 
 	entries, count, err := builder.GetEntriesWithCount()
 	if err != nil {

internal/ui/tag_entries_all.go

@@ -34,6 +34,7 @@ func (h *handler) showTagEntriesAllPage(w http.ResponseWriter, r *http.Request)
 	builder.WithSorting("status", "asc")
 	builder.WithSorting(user.EntryOrder, user.EntryDirection)
 	builder.WithSorting("id", user.EntryDirection)
+	builder.WithoutContent()
 	builder.WithOffset(offset)
 	builder.WithLimit(user.EntriesPerPage)
 

internal/ui/unread_entries.go

@@ -28,6 +28,7 @@ func (h *handler) showUnreadPage(w http.ResponseWriter, r *http.Request) {
 	builder.WithOffset(offset)
 	builder.WithLimit(user.EntriesPerPage)
 	builder.WithGloballyVisible()
+	builder.WithoutContent()
 
 	entries, countUnread, err := builder.GetEntriesWithCount()
 	if err != nil {
@@ -43,6 +44,7 @@ func (h *handler) showUnreadPage(w http.ResponseWriter, r *http.Request) {
 		builder.WithSorting("id", user.EntryDirection)
 		builder.WithLimit(user.EntriesPerPage)
 		builder.WithGloballyVisible()
+		builder.WithoutContent()
 
 		entries, countUnread, err = builder.GetEntriesWithCount()
 		if err != nil {