Add exif

lib/Db/Util.php

@@ -18,8 +18,21 @@ class Util {
 		$this->connection = $connection;
 	}
 
-    private function getDateTaken($file) {
+    public static function getDateTaken($file) {
+        // Attempt to read exif data
+        $exif = exif_read_data($file->fopen('rb'));
+		$dt = $exif['DateTimeOriginal'];
+		if ($dt) {
+			$dt = \DateTime::createFromFormat('Y:m:d H:i:s', $dt);
+			if ($dt) {
+				return $dt->getTimestamp();
+			}
+		}
+
+        // Fall back to creation time
         $dateTaken = $file->getCreationTime();
+
+        // Fall back to modification time
         if ($dateTaken == 0) {
             $dateTaken = $file->getMtime();
         }

src/App.vue

@@ -17,7 +17,7 @@
 
 <style scoped>
 .outer {
-    padding: 0px 44px 256px 44px;
+    padding: 0 0 20px 44px;
 }
 </style>
 

src/Timeline.vue

@@ -28,6 +28,9 @@ export default {
             nrows: 0,
             ncols: 5,
             heads: {},
+
+            currentStart: 0,
+            currentEnd: 0,
         }
     },
 
@@ -37,6 +40,21 @@ export default {
 
     methods: {
         scrollChange(startIndex, endIndex) {
+            if (startIndex === this.currentStart && endIndex === this.currentEnd) {
+                return;
+            }
+
+            this.currentStart = startIndex;
+            this.currentEnd = endIndex;
+            setTimeout(() => {
+                if (this.currentStart === startIndex && this.currentEnd === endIndex) {
+                    this.loadChanges(startIndex, endIndex);
+                }
+            }, 300);
+        },
+
+        loadChanges(startIndex, endIndex) {
+            console.log(startIndex, endIndex);
             for (let i = startIndex; i <= endIndex; i++) {
                 let item = this.list[i];
                 if (!item) {
@@ -45,6 +63,7 @@ export default {
 
                 let head = this.heads[item.dayId];
                 if (head && !head.loaded) {
+                    head.loaded = true;
                     this.fetchDay(item.dayId);
                 }
             }
@@ -87,11 +106,16 @@ export default {
             const head = this.heads[dayId];
             head.loaded = true;
 
+            let data = [];
+            try {
                 const res = await fetch(`/apps/betterphotos/api/days/${dayId}`);
-            const data = await res.json();
-
-            const nrows = Math.ceil(data.length / this.ncols);
+                data = await res.json();
+            } catch (e) {
+                console.error(e);
+                head.loaded = false;
+            }
 
+            // Get index of header O(n)
             const headIdx = this.list.findIndex(item => item.id === head.id);
             let rowIdx = headIdx + 1;
 
@@ -133,7 +157,8 @@ export default {
 
 <style scoped>
 .scroller {
-    height: 100%;
+    height: 600px;
+    width: 100%;
 }
 
 .photo {