refactor(storage): return entryPaginationBuilder from builder methods

internal/storage/entry_pagination_builder.go

@@ -25,72 +25,88 @@ type entryPaginationBuilder struct {
 }
 
 // WithSearchQuery adds full-text search query to the condition.
-func (e *entryPaginationBuilder) WithSearchQuery(query string) {
+func (e *entryPaginationBuilder) WithSearchQuery(query string) *entryPaginationBuilder {
 	if query != "" {
 		e.conditions = append(e.conditions, fmt.Sprintf("e.document_vectors @@ plainto_tsquery($%d)", len(e.args)+1))
 		e.args = append(e.args, query)
 	}
+
+	return e
 }
 
 // WithStarred adds starred to the condition.
-func (e *entryPaginationBuilder) WithStarred() {
+func (e *entryPaginationBuilder) WithStarred() *entryPaginationBuilder {
 	e.conditions = append(e.conditions, "e.starred is true")
+
+	return e
 }
 
 // WithFeedID adds feed_id to the condition.
-func (e *entryPaginationBuilder) WithFeedID(feedID int64) {
+func (e *entryPaginationBuilder) WithFeedID(feedID int64) *entryPaginationBuilder {
 	if feedID != 0 {
 		e.conditions = append(e.conditions, "e.feed_id = $"+strconv.Itoa(len(e.args)+1))
 		e.args = append(e.args, feedID)
 	}
+
+	return e
 }
 
 // WithCategoryID adds category_id to the condition.
-func (e *entryPaginationBuilder) WithCategoryID(categoryID int64) {
+func (e *entryPaginationBuilder) WithCategoryID(categoryID int64) *entryPaginationBuilder {
 	if categoryID != 0 {
 		e.conditions = append(e.conditions, "f.category_id = $"+strconv.Itoa(len(e.args)+1))
 		e.args = append(e.args, categoryID)
 	}
+
+	return e
 }
 
 // WithStatus adds status to the condition.
-func (e *entryPaginationBuilder) WithStatus(status string) {
+func (e *entryPaginationBuilder) WithStatus(status string) *entryPaginationBuilder {
 	if status != "" {
 		e.conditions = append(e.conditions, "e.status = $"+strconv.Itoa(len(e.args)+1))
 		e.args = append(e.args, status)
 	}
+
+	return e
 }
 
 // WithStatusOrEntryID adds a status condition that always includes a specific entry ID.
-func (e *entryPaginationBuilder) WithStatusOrEntryID(status string, entryID int64) {
+func (e *entryPaginationBuilder) WithStatusOrEntryID(status string, entryID int64) *entryPaginationBuilder {
 	if status == "" {
-		return
+		return e
 	}
 
 	if entryID == 0 {
 		e.WithStatus(status)
-		return
+		return e
 	}
 
 	statusArg := len(e.args) + 1
 	entryArg := len(e.args) + 2
 	e.conditions = append(e.conditions, fmt.Sprintf("(e.status = $%d OR e.id = $%d)", statusArg, entryArg))
 	e.args = append(e.args, status, entryID)
+
+	return e
 }
 
-func (e *entryPaginationBuilder) WithTags(tags []string) {
+func (e *entryPaginationBuilder) WithTags(tags []string) *entryPaginationBuilder {
 	if len(tags) > 0 {
 		for _, tag := range tags {
 			e.conditions = append(e.conditions, fmt.Sprintf("LOWER($%d) = ANY(LOWER(e.tags::text)::text[])", len(e.args)+1))
 			e.args = append(e.args, tag)
 		}
 	}
+
+	return e
 }
 
 // WithGloballyVisible adds global visibility to the condition.
-func (e *entryPaginationBuilder) WithGloballyVisible() {
+func (e *entryPaginationBuilder) WithGloballyVisible() *entryPaginationBuilder {
 	e.conditions = append(e.conditions, "not c.hide_globally")
 	e.conditions = append(e.conditions, "not f.hide_globally")
+
+	return e
 }
 
 // Entries returns previous and next entries.