database_actions() plugin hook, closes #1077

datasette/hookspecs.py

@@ -107,3 +107,8 @@ def menu_links(datasette, actor):
 @hookspec
 def table_actions(datasette, actor, database, table):
     "Links for the table actions menu"
+
+
+@hookspec
+def database_actions(datasette, actor, database):
+    "Links for the database actions menu"

datasette/static/app.css

@@ -360,11 +360,11 @@ details .nav-menu-inner {
     display: block;
 }
 
-/* Table actions menu */
-.table-menu-links {
+/* Table/database actions menu */
+.actions-menu-links {
     position: relative;
 }
-.table-menu-links .dropdown-menu {
+.actions-menu-links .dropdown-menu {
     position: absolute;
     top: 2rem;
     right: 0;

datasette/templates/database.html

@@ -18,7 +18,30 @@
 
 {% block content %}
 
-<h1 style="padding-left: 10px; border-left: 10px solid #{{ database_color(database) }}">{{ metadata.title or database }}{% if private %} 🔒{% endif %}</h1>
+
+<div class="page-header" style="border-color: #{{ database_color(database) }}">
+    <h1>{{ metadata.title or database }}{% if private %} 🔒{% endif %}</h1>
+    {% set links = database_actions() %}{% if links %}
+    <details class="actions-menu-links">
+        <summary><svg aria-labelledby="actions-menu-links-title" role="img"
+                style="color: #666" xmlns="http://www.w3.org/2000/svg"
+                width="28" height="28" viewBox="0 0 24 24" fill="none"
+                stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round">
+            <title id="actions-menu-links-title">Table actions</title>
+            <circle cx="12" cy="12" r="3"></circle>
+            <path d="M19.4 15a1.65 1.65 0 0 0 .33 1.82l.06.06a2 2 0 0 1 0 2.83 2 2 0 0 1-2.83 0l-.06-.06a1.65 1.65 0 0 0-1.82-.33 1.65 1.65 0 0 0-1 1.51V21a2 2 0 0 1-2 2 2 2 0 0 1-2-2v-.09A1.65 1.65 0 0 0 9 19.4a1.65 1.65 0 0 0-1.82.33l-.06.06a2 2 0 0 1-2.83 0 2 2 0 0 1 0-2.83l.06-.06a1.65 1.65 0 0 0 .33-1.82 1.65 1.65 0 0 0-1.51-1H3a2 2 0 0 1-2-2 2 2 0 0 1 2-2h.09A1.65 1.65 0 0 0 4.6 9a1.65 1.65 0 0 0-.33-1.82l-.06-.06a2 2 0 0 1 0-2.83 2 2 0 0 1 2.83 0l.06.06a1.65 1.65 0 0 0 1.82.33H9a1.65 1.65 0 0 0 1-1.51V3a2 2 0 0 1 2-2 2 2 0 0 1 2 2v.09a1.65 1.65 0 0 0 1 1.51 1.65 1.65 0 0 0 1.82-.33l.06-.06a2 2 0 0 1 2.83 0 2 2 0 0 1 0 2.83l-.06.06a1.65 1.65 0 0 0-.33 1.82V9a1.65 1.65 0 0 0 1.51 1H21a2 2 0 0 1 2 2 2 2 0 0 1-2 2h-.09a1.65 1.65 0 0 0-1.51 1z"></path>
+        </svg></summary>
+        <div class="dropdown-menu">
+            {% if links %}
+            <ul>
+                {% for link in links %}
+                <li><a href="{{ link.href }}">{{ link.label }}</a></li>
+                {% endfor %}
+            </ul>
+            {% endif %}
+        </div>
+    </details>{% endif %}
+</div> 
 
 {% block description_source_license %}{% include "_description_source_license.html" %}{% endblock %}
 

datasette/templates/table.html

@@ -28,12 +28,12 @@
 <div class="page-header" style="border-color: #{{ database_color(database) }}">
     <h1>{{ metadata.title or table }}{% if is_view %} (view){% endif %}{% if private %} 🔒{% endif %}</h1>
     {% set links = table_actions() %}{% if links %}
-    <details class="table-menu-links">
-        <summary><svg aria-labelledby="table-menu-links-title" role="img"
+    <details class="actions-menu-links">
+        <summary><svg aria-labelledby="actions-menu-links-title" role="img"
                 style="color: #666" xmlns="http://www.w3.org/2000/svg"
                 width="28" height="28" viewBox="0 0 24 24" fill="none"
                 stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round">
-            <title id="table-menu-links-title">Table actions</title>
+            <title id="actions-menu-links-title">Table actions</title>
             <circle cx="12" cy="12" r="3"></circle>
             <path d="M19.4 15a1.65 1.65 0 0 0 .33 1.82l.06.06a2 2 0 0 1 0 2.83 2 2 0 0 1-2.83 0l-.06-.06a1.65 1.65 0 0 0-1.82-.33 1.65 1.65 0 0 0-1 1.51V21a2 2 0 0 1-2 2 2 2 0 0 1-2-2v-.09A1.65 1.65 0 0 0 9 19.4a1.65 1.65 0 0 0-1.82.33l-.06.06a2 2 0 0 1-2.83 0 2 2 0 0 1 0-2.83l.06-.06a1.65 1.65 0 0 0 .33-1.82 1.65 1.65 0 0 0-1.51-1H3a2 2 0 0 1-2-2 2 2 0 0 1 2-2h.09A1.65 1.65 0 0 0 4.6 9a1.65 1.65 0 0 0-.33-1.82l-.06-.06a2 2 0 0 1 0-2.83 2 2 0 0 1 2.83 0l.06.06a1.65 1.65 0 0 0 1.82.33H9a1.65 1.65 0 0 0 1-1.51V3a2 2 0 0 1 2-2 2 2 0 0 1 2 2v.09a1.65 1.65 0 0 0 1 1.51 1.65 1.65 0 0 0 1.82-.33l.06-.06a2 2 0 0 1 2.83 0 2 2 0 0 1 0 2.83l-.06.06a1.65 1.65 0 0 0-.33 1.82V9a1.65 1.65 0 0 0 1.51 1H21a2 2 0 0 1 2 2 2 2 0 0 1-2 2h-.09a1.65 1.65 0 0 0-1.51 1z"></path>
         </svg></summary>

datasette/views/database.py

@@ -6,6 +6,7 @@ import json
 from urllib.parse import parse_qsl, urlencode
 
 from datasette.utils import (
+    await_me_maybe,
     check_visibility,
     to_css_class,
     validate_sql_select,
@@ -101,6 +102,19 @@ class DatabaseView(DataView):
             )
             if visible:
                 canned_queries.append(dict(query, private=private))
+
+        async def database_actions():
+            links = []
+            for hook in pm.hook.database_actions(
+                datasette=self.ds,
+                database=database,
+                actor=request.actor,
+            ):
+                extra_links = await await_me_maybe(hook)
+                if extra_links:
+                    links.extend(extra_links)
+            return links
+
         return (
             {
                 "database": database,
@@ -118,6 +132,7 @@ class DatabaseView(DataView):
                 ),
             },
             {
+                "database_actions": database_actions,
                 "show_hidden": request.args.get("_show_hidden"),
                 "editable": True,
                 "metadata": metadata,