feat(analyticsApi): added /api/analytics/pageViewCount endpoint

analyticsApi/main.go

@@ -11,18 +11,165 @@ import (
 	"time"
 )
 
-// initSessionCount
+// initPageViewCount
 //
-// this endpoint is used to aggregate session metadata counts
-// it adds the following endpoint to the app:
-// GET /api/analytics/sessionCounts
+// This endpoint is used to retrieve page view counts for each unique path.
+// It adds the following endpoint to the app:
+// GET /api/analytics/pageViewCount
 //
-// the endpoint expects the following request data:
+// The endpoint expects the following query parameter:
+//
+//		?startDate=ISO 8601 formatted date (optional)
+//
+//	  - `startDate`: An optional start date in ISO 8601 format (e.g., "2024-11-12T15:04:05Z").
+//	    If provided, the global count reflects views from this date onward.
+//	    If not provided, the global count includes all views.
+//
+// Response format:
+// [
 //
 //	{
-//	  "startDate": "start date in ISO 8601 format",
+//	  "id": <unique row id>,
+//	  "data": "<path>",
+//	  "count": <total view count since startDate>,
+//	  "last_30_days_data": [
+//	    {
+//	      "date": "YYYY-MM-DDTHH:MM:SSZ",
+//	      "count": <daily count>
+//	    },
+//	    ...
+//	  ]
+//	},
+//	...
+//
+// ]
+//
+// `last_30_days_data` always provides daily counts for the most recent 30 days regardless of the `startDate` parameter.
+func initPageViewCount(app *pocketbase.PocketBase, e *core.ServeEvent) {
+
+	e.Router.GET("/api/analytics/pageViewCount", func(c echo.Context) error {
+
+		// Check if user is in admin group
+		if err := ldapApi.UserIsInAdminGroup(app, c); err != nil {
+			return err
+		}
+
+		// Get startDate from query parameter
+		startDateParam := c.QueryParam("startDate")
+		var startDate time.Time
+		var err error
+		if startDateParam != "" {
+			// Parse the startDate, expecting an ISO 8601 format
+			startDate, err = time.Parse(time.RFC3339, startDateParam)
+			if err != nil {
+				return apis.NewBadRequestError("Invalid start date format, expected ISO 8601", err)
+			}
+		}
+
+		type PageViewData struct {
+			ID             int         `json:"id"`
+			Data           string      `json:"data"`
+			Count          int         `json:"count"`
+			Last30DaysData interface{} `json:"last_30_days_data"`
+		}
+
+		var result []PageViewData
+
+		// Execute the query with nested JSON aggregation
+		err = app.Dao().DB().
+			NewQuery(`
+				SELECT
+					(ROW_NUMBER() OVER()) AS id,
+					view.path AS data,
+					(
+						SELECT COUNT(id)
+						FROM analyticsPageViews
+						WHERE path = view.path AND created >= {:startDate}
+					) AS count,
+					(
+						SELECT json_group_array(
+							json_object(
+								'date', strftime('%Y-%m-%dT%H:%M:%SZ', created),
+								'count', daily_count
+							)
+						)
+						FROM (
+							SELECT
+								strftime('%Y-%m-%dT%H:%M:%SZ', created) AS date,
+								COUNT(id) AS daily_count
+							FROM analyticsPageViews
+							WHERE
+								path = view.path AND
+								created >= datetime('now', '-30 days')
+							GROUP BY date
+						) AS daily_data
+					) AS last_30_days_data
+				FROM
+					analyticsPageViews view
+				GROUP BY
+					view.path
+				`).
+			Bind(dbx.Params{
+				"startDate": startDate,
+			}).
+			All(&result)
+
+		if err != nil {
+			return apis.NewApiError(500, "Failed to query page view data", err)
+		}
+
+		// Return the final JSON response
+		return c.JSON(200, result)
+	}, apis.ActivityLogger(app))
+}
+
+// initAggregateCount
+//
+// This endpoint is used to aggregate session metadata counts by various categories
+// (device type, browser name, operating system, user agent, geo country code, and preferred language).
+// It adds the following endpoint to the app:
+// GET /api/analytics/sessionCounts
+//
+// The endpoint expects the following query parameter:
+//
+//		?startDate=ISO 8601 formatted date (optional)
+//
+//	  - `startDate`: An optional start date in ISO 8601 format (e.g., "2024-11-12T15:04:05Z").
+//	    If provided, counts reflect sessions from this date onward.
+//	    If not provided, counts include all sessions.
+//
+// Response format:
+//
+//	{
+//	  "device_type": [
+//	    { "value": "<device type>", "count": <session count> },
+//	    ...
+//	  ],
+//	  "browser_name": [
+//	    { "value": "<browser name>", "count": <session count> },
+//	    ...
+//	  ],
+//	  "operating_system": [
+//	    { "value": "<operating system>", "count": <session count> },
+//	    ...
+//	  ],
+//	  "user_agent": [
+//	    { "value": "<user agent>", "count": <session count> },
+//	    ...
+//	  ],
+//	  "geo_country_code": [
+//	    { "value": "<country code>", "count": <session count> },
+//	    ...
+//	  ],
+//	  "preferred_language": [
+//	    { "value": "<preferred language>", "count": <session count> },
+//	    ...
+//	  ]
 //	}
-func initSessionCount(app *pocketbase.PocketBase, e *core.ServeEvent) {
+//
+// Each category includes an array of objects where `value` is the specific item (e.g., a device type or browser name)
+// and `count` is the number of sessions matching that item since `startDate`.
+func initAggregateCount(app *pocketbase.PocketBase, e *core.ServeEvent) {
 	e.Router.GET("/api/analytics/aggregateCount", func(c echo.Context) error {
 
 		// Check if user is in admin group
@@ -44,7 +191,7 @@ func initSessionCount(app *pocketbase.PocketBase, e *core.ServeEvent) {
 		// Use a map to store the response data
 		response := make(map[string][]Data)
 
-		fields := []string{"device_type", "browser_name", "operating_system", "user_agent", "geo_country_code", "preferred_language"}
+		fields := []string{"device_type", "browser_name", "operating_system", "geo_country_code", "preferred_language"}
 
 		for _, field := range fields {
 			data := []Data{}
@@ -79,7 +226,8 @@ func InitAnalyticsApi(app *pocketbase.PocketBase, e *core.ServeEvent) error {
 
 	logger.LogInfoF("Initializing analytics api")
 
-	initSessionCount(app, e)
+	initPageViewCount(app, e)
+	initAggregateCount(app, e)
 
 	return nil
 }