feat(db): add an "INCOMING" rescan mode

webui/src/views/Setup.svelte

@@ -6,15 +6,18 @@
   import api from "../lib/api";
   const navigate = useNavigate();
 
-  let mode: "Flat" | "DepthFirst" | "Mirror" = undefined;
+  let mode: "Flat" | "DepthFirst" | "Mirror" | "Incoming" = undefined;
 
   async function submitOptions() {
+    const tree_mode = {};
+    tree_mode[mode] = null;
+
     const optionResponse = await fetch("/api/options", {
       method: "PUT",
       headers: {
         "Content-Type": "application/json",
       },
-      body: JSON.stringify({ tree_mode: mode }),
+      body: JSON.stringify({ tree_mode }),
     });
     if (!optionResponse.ok) {
       throw new Error("Failed to set options");
@@ -29,8 +32,38 @@
 <main>
   <h1>{$i18n.t("Vault Setup")}</h1>
   <section class="tree-mode">
-    <h2>Tree mode</h2>
+    <h2>Scan mode</h2>
     <div class="icons">
+      <div class="option">
+        <IconButton
+          name="copy-alt"
+          outline
+          on:click={() => (mode = "Mirror")}
+          active={mode === "Mirror"}
+        >
+          Mirror
+        </IconButton>
+        <p>
+          {$i18n.t(
+            "Groups are nested reflecting the original file directory structure.",
+          )}
+        </p>
+      </div>
+      <div class="option">
+        <IconButton
+          name="vertical-bottom"
+          outline
+          on:click={() => (mode = "DepthFirst")}
+          active={mode === "DepthFirst"}
+        >
+          Depth-First
+        </IconButton>
+        <p>
+          {$i18n.t(
+            "Like Mirror, but the shortest path with the same end group is chosen. ",
+          )}
+        </p>
+      </div>
       <div class="option">
         <IconButton
           name="checkbox-minus"
@@ -48,32 +81,15 @@
       </div>
       <div class="option">
         <IconButton
-          name="vertical-bottom"
+          name="download"
           outline
-          on:click={() => (mode = "DepthFirst")}
-          active={mode === "DepthFirst"}
+          on:click={() => (mode = "Incoming")}
+          active={mode === "Incoming"}
         >
-          Depth-First
+          Incoming
         </IconButton>
         <p>
-          {$i18n.t(
-            "All groups are created as direct descendants of the root group.",
-          )}
-        </p>
-      </div>
-      <div class="option">
-        <IconButton
-          name="copy-alt"
-          outline
-          on:click={() => (mode = "Mirror")}
-          active={mode === "Mirror"}
-        >
-          Mirror
-        </IconButton>
-        <p>
-          {$i18n.t(
-            "Groups are nested reflecting the original file directory structure.",
-          )}
+          {$i18n.t("New files are added to a group called 'Incoming'.")}
         </p>
       </div>
     </div>