Initial commit

area.go

@@ -0,0 +1,62 @@
+package main
+
+import (
+	// External
+	re "git.gibonuddevalla.se/go/wrappederror"
+
+	// Standard
+	"encoding/json"
+	"sort"
+)
+
+type Area struct {
+	ID int
+	Name string
+
+	Sections []Section
+}
+
+func AreaRetrieve() (areas []Area, err error) {// {{{
+	areas = []Area{}
+	row := service.Db.Conn.QueryRow(`
+		SELECT
+			 jsonb_agg(jsonsections)
+		FROM (
+			SELECT
+				a.id,
+				a.name,
+				jsonb_agg(
+					jsonb_build_object(
+						'id', s.id,
+						'name', s.name
+					)
+				) AS sections
+			FROM area a
+			INNER JOIN section s ON s.area_id = a.id
+			GROUP BY
+				a.id, a.name
+		) jsonsections`,
+	)
+
+	var jsonData []byte
+	err = row.Scan(&jsonData)
+	if err != nil {
+		err = re.Wrap(err)
+		return
+	}
+
+	err = json.Unmarshal(jsonData, &areas)
+	if err != nil {
+		err = re.Wrap(err)
+		return
+	}
+
+	return
+}// }}}
+
+func (a Area) SortedSections() []Section {// {{{
+	sort.SliceStable(a.Sections, func (i, j int) bool {
+		return a.Sections[i].Name < a.Sections[j].Name
+	})
+	return a.Sections
+}// }}}