home screen api : GWM

main.go

@@ -901,6 +901,101 @@ func main() {
 			return c.JSON(http.StatusOK, aggregatedResponse)
 		})
 
+		e.Router.GET("/api/getHomePageData", func(c echo.Context) error {
+
+			// Define the struct for holding the query results
+			mainTopics := []struct {
+				MainTopic          string `db:"main_topic" json:"main_topic"`
+				MainTopicListOrder string `db:"main_topic_list_order" json:"main_topic_list_order"`
+			}{}
+
+			// Execute the query
+			err := app.DB().
+				Select("main_topic", "main_topic_list_order").
+				From("home_screen").
+				GroupBy("main_topic").
+				OrderBy("main_topic_list_order ASC").
+				All(&mainTopics)
+
+			if err != nil {
+				log.Printf("Failed to fetch home_screen data: %v", err)
+				return c.JSON(http.StatusInternalServerError, map[string]string{"error": "Failed to fetch records"})
+			}
+
+			// If no records are found
+			if len(mainTopics) == 0 {
+				return c.JSON(http.StatusNotFound, map[string]string{"error": "No records found for home screen"})
+			}
+
+			// Final result structure
+			result := []map[string]interface{}{}
+
+			// Loop through main topics and fetch sub-topic data for each
+			for _, mainTopic := range mainTopics {
+				subTopics := []struct {
+					SubTopic          string `db:"sub_topic" json:"sub_topic"`
+					SubTopicListOrder string `db:"sub_topic_list_order" json:"sub_topic_list_order"`
+				}{}
+
+				// Query to get sub-topics for the current main topic
+				err := app.DB().
+					Select("sub_topic", "sub_topic_list_order").
+					From("home_screen").
+					Where(dbx.HashExp{"main_topic": mainTopic.MainTopic}).
+					GroupBy("sub_topic").
+					OrderBy("sub_topic_list_order ASC").
+					All(&subTopics)
+
+				if err != nil {
+					log.Printf("Failed to fetch sub-topics for main topic %s: %v", mainTopic.MainTopic, err)
+					continue
+				}
+
+				result2 := []map[string]interface{}{}
+				// Loop through sub Topics topics and fetch dataSet data for each
+				for _, subTopic := range subTopics {
+
+					dataSets := []struct {
+						DataSet            string `db:"data_set" json:"data_set"`
+						DataSetTileHeading string `db:"data_set_tile_heading" json:"data_set_tile_heading"`
+						ValueSource        string `db:"value_source" json:"value_source"`
+						Value              string `db:"value" json:"value"`
+						DataSetListOrder   string `db:"data_set_list_order" json:"data_set_list_order"`
+					}{}
+
+					// Query to get data-set for the current sub topic
+					err := app.DB().
+						Select("data_set", "data_set_tile_heading", "value_source", "value", "data_set_list_order").
+						From("home_screen").
+						Where(dbx.HashExp{"sub_topic": subTopic.SubTopic}).
+						OrderBy("data_set_list_order ASC").
+						All(&dataSets)
+
+					if err != nil {
+						log.Printf("Failed to fetch data-set for sub topic %s: %v", subTopic.SubTopic, err)
+						continue
+					}
+
+					result2 = append(result2, map[string]interface{}{
+						"sub_topic":            subTopic.SubTopic,
+						"sub_topic_list_order": subTopic.SubTopicListOrder,
+						"tile_data":            dataSets,
+					})
+				}
+
+				// Add the main topic and its sub-topics to the result
+				result = append(result, map[string]interface{}{
+					"main_topic":            mainTopic.MainTopic,
+					"main_topic_list_order": mainTopic.MainTopicListOrder,
+					"sub_topics":            result2,
+				})
+			}
+
+			// Send the combined result as JSON
+			return c.JSON(http.StatusOK, result)
+
+		})
+
 		return nil
 	})