importer feature

crates/adapters/template-askama/src/lib.rs

@@ -1,6 +1,8 @@
 use application::ports::{
     ActivityFeedPageData, FollowersPageData, FollowingPageData, HtmlPageContext, HtmlRenderer,
-    LoginPageData, NewReviewPageData, ProfilePageData, RegisterPageData, UsersPageData,
+    ImportMappingPageData, ImportPreviewPageData, ImportPreviewRow, ImportProfileView,
+    ImportRowStatus, ImportUploadPageData, LoginPageData, NewReviewPageData, ProfilePageData,
+    RegisterPageData, UsersPageData,
 };
 use askama::Template;
 use chrono::Datelike;
@@ -290,6 +292,34 @@ fn bar_height_px(avg_rating: f64) -> i64 {
     (avg_rating / 5.0 * 60.0) as i64
 }
 
+#[derive(Template)]
+#[template(path = "import_upload.html")]
+struct ImportUploadTemplate<'a> {
+    ctx: &'a HtmlPageContext,
+    profiles: &'a [ImportProfileView],
+    error: Option<&'a str>,
+}
+
+#[derive(Template)]
+#[template(path = "import_mapping.html")]
+struct ImportMappingTemplate<'a> {
+    ctx: &'a HtmlPageContext,
+    session_id: &'a str,
+    columns: &'a [String],
+    sample_rows: &'a [Vec<String>],
+    domain_fields: &'a [(&'static str, &'static str)],
+    error: Option<&'a str>,
+}
+
+#[derive(Template)]
+#[template(path = "import_preview.html")]
+struct ImportPreviewTemplate<'a> {
+    ctx: &'a HtmlPageContext,
+    session_id: &'a str,
+    columns: &'a [String],
+    rows: &'a [ImportPreviewRow],
+}
+
 pub struct AskamaHtmlRenderer;
 
 impl AskamaHtmlRenderer {
@@ -557,4 +587,38 @@ impl HtmlRenderer for AskamaHtmlRenderer {
         .render()
         .map_err(|e| e.to_string())
     }
+
+    fn render_import_upload_page(&self, data: ImportUploadPageData) -> Result<String, String> {
+        ImportUploadTemplate {
+            ctx: &data.ctx,
+            profiles: &data.profiles,
+            error: data.error.as_deref(),
+        }
+        .render()
+        .map_err(|e| e.to_string())
+    }
+
+    fn render_import_mapping_page(&self, data: ImportMappingPageData) -> Result<String, String> {
+        ImportMappingTemplate {
+            ctx: &data.ctx,
+            session_id: &data.session_id,
+            columns: &data.columns,
+            sample_rows: &data.sample_rows,
+            domain_fields: &data.domain_fields,
+            error: data.error.as_deref(),
+        }
+        .render()
+        .map_err(|e| e.to_string())
+    }
+
+    fn render_import_preview_page(&self, data: ImportPreviewPageData) -> Result<String, String> {
+        ImportPreviewTemplate {
+            ctx: &data.ctx,
+            session_id: &data.session_id,
+            columns: &data.columns,
+            rows: &data.rows,
+        }
+        .render()
+        .map_err(|e| e.to_string())
+    }
 }

crates/adapters/template-askama/templates/base.html

@@ -33,6 +33,7 @@
         {% if let Some(uid) = ctx.user_id %}
         <a href="/users/{{ uid }}">Profile</a>
         <a href="/reviews/new">Add Review</a>
+        <a href="/import">Import</a>
         <a href="/logout">Logout</a>
         {% else %}
         <a href="/login">Login</a>

crates/adapters/template-askama/templates/import_mapping.html

@@ -0,0 +1,52 @@
+{% extends "base.html" %}
+{% block content %}
+<h1>Map Columns</h1>
+{% if let Some(err) = error %}
+<p class="error">{{ err }}</p>
+{% endif %}
+
+<p>Showing up to 5 sample rows. Map each column to a diary field.</p>
+
+<form method="POST" action="/import/{{ session_id }}/mapping">
+  <table>
+    <thead>
+      <tr>
+        {% for col in columns %}<th>{{ col }}</th>{% endfor %}
+      </tr>
+    </thead>
+    <tbody>
+      {% for row in sample_rows %}
+      <tr>{% for cell in row %}<td>{{ cell }}</td>{% endfor %}</tr>
+      {% endfor %}
+    </tbody>
+  </table>
+
+  {% for col in columns %}
+  <fieldset>
+    <legend>{{ col }}</legend>
+    <label>Maps to
+      <select name="mapping_{{ loop.index0 }}_field">
+        <option value="">— skip —</option>
+        {% for (val, label) in domain_fields %}
+        <option value="{{ val }}">{{ label }}</option>
+        {% endfor %}
+      </select>
+    </label>
+    <label>Rating scale
+      <select name="mapping_{{ loop.index0 }}_scale">
+        <option value="1.0">Same (0–5)</option>
+        <option value="0.5">10-point (/2)</option>
+        <option value="0.05">Percentage (/20)</option>
+      </select>
+    </label>
+    <label>Date format
+      <input type="text" name="mapping_{{ loop.index0 }}_datefmt" placeholder="%Y-%m-%d">
+    </label>
+    <input type="hidden" name="mapping_{{ loop.index0 }}_col" value="{{ col }}">
+  </fieldset>
+  {% endfor %}
+
+  <input type="hidden" name="_csrf" value="{{ ctx.csrf_token }}">
+  <button type="submit">Preview Import</button>
+</form>
+{% endblock %}

crates/adapters/template-askama/templates/import_preview.html

@@ -0,0 +1,45 @@
+{% extends "base.html" %}
+{% block content %}
+<h1>Preview Import</h1>
+
+<form method="POST" action="/import/{{ session_id }}/confirm">
+  <table>
+    <thead>
+      <tr>
+        <th>Include?</th>
+        {% for col in columns %}<th>{{ col }}</th>{% endfor %}
+        <th>Status</th>
+      </tr>
+    </thead>
+    <tbody>
+      {% for row in rows %}
+      <tr>
+        <td>
+          {% match row.status %}
+          {% when ImportRowStatus::Invalid with (_e) %}
+          <input type="checkbox" disabled>
+          {% when _ %}
+          <input type="checkbox" name="confirmed" value="{{ row.index }}" checked>
+          {% endmatch %}
+        </td>
+        {% for cell in row.cells %}<td>{{ cell }}</td>{% endfor %}
+        <td>
+          {% match row.status %}
+          {% when ImportRowStatus::Valid %}&#10003;
+          {% when ImportRowStatus::Duplicate %}&#9888; duplicate
+          {% when ImportRowStatus::Invalid with (e) %}&#10007; {{ e }}
+          {% endmatch %}
+        </td>
+      </tr>
+      {% endfor %}
+    </tbody>
+  </table>
+
+  <label>Save this mapping as a profile?
+    <input type="text" name="profile_name" placeholder="e.g. Letterboxd">
+  </label>
+
+  <input type="hidden" name="_csrf" value="{{ ctx.csrf_token }}">
+  <button type="submit">Import Selected</button>
+</form>
+{% endblock %}

crates/adapters/template-askama/templates/import_upload.html

@@ -0,0 +1,42 @@
+{% extends "base.html" %}
+{% block content %}
+<h1>Import Reviews</h1>
+{% if let Some(err) = error %}
+<p class="error">{{ err }}</p>
+{% endif %}
+
+{% if !profiles.is_empty() %}
+<section>
+  <h2>Saved Profiles</h2>
+  <ul>
+    {% for p in profiles %}
+    <li>
+      {{ p.name }}
+      <form method="POST" action="/import/profiles/{{ p.id }}/delete" style="display:inline">
+        <input type="hidden" name="_csrf" value="{{ ctx.csrf_token }}">
+        <button type="submit">Delete</button>
+      </form>
+    </li>
+    {% endfor %}
+  </ul>
+</section>
+{% endif %}
+
+<h2>Upload File</h2>
+<form method="POST" action="/import/upload" enctype="multipart/form-data">
+  <label>
+    File (CSV, TSV, JSON, XLSX)<br>
+    <input type="file" name="file" accept=".csv,.tsv,.json,.xlsx" required>
+  </label>
+  <label>
+    Format<br>
+    <select name="format">
+      <option value="csv">CSV / TSV</option>
+      <option value="json">JSON</option>
+      <option value="xlsx">XLSX</option>
+    </select>
+  </label>
+  <input type="hidden" name="_csrf" value="{{ ctx.csrf_token }}">
+  <button type="submit">Upload</button>
+</form>
+{% endblock %}