Support a few more database related APIs

lib/metabase/endpoint/database.rb

@@ -11,6 +11,34 @@ module Database
       def databases(**params)
         get('/api/database', **params)
       end
+
+      # Fetch a database.
+      #
+      # @param database_id [Integer, String] Database ID
+      # @param params [Hash] Query string
+      # @return [Hash] Parsed response JSON
+      def database(database_id, **params)
+        get("/api/database/#{database_id}", **params)
+      end
+
+      # Fetch schemas of a database.
+      #
+      # @param database_id [Integer, String] Database ID
+      # @param params [Hash] Query string
+      # @return [Array<Hash>] Parsed response JSON
+      def schemas(database_id)
+        get("/api/database/#{database_id}/schemas")
+      end
+
+      # Fetch tables of a schema of a database.
+      #
+      # @param database_id [Integer, String] Database ID
+      # @param schema [String] Schema name
+      # @param params [Hash] Query string
+      # @return [Array<Hash>] Parsed response JSON
+      def schema(database_id, schema)
+        get("/api/database/#{database_id}/schema/#{schema}")
+      end
     end
   end
 end

spec/metabase/endpoint/database_spec.rb

@@ -11,4 +11,31 @@
       end
     end
   end
+
+  describe 'database', vcr: true do
+    context 'success' do
+      it 'returns a database' do
+        database = client.database(1)
+        expect(database).to be_kind_of(Hash)
+      end
+    end
+  end
+
+  describe 'schemas', vcr: true do
+    context 'success' do
+      it 'returns all schemas of a database' do
+        schemas = client.schemas(1)
+        expect(schemas).to be_kind_of(Array)
+      end
+    end
+  end
+
+  describe 'schema', vcr: true do
+    context 'success' do
+      it 'returns all tables of a schema of a database' do
+        tables = client.schema(1, "PUBLIC")
+        expect(tables).to be_kind_of(Array)
+      end
+    end
+  end
 end