render inputs in code, not in html

owrx/controllers/admin.py

@@ -20,6 +20,3 @@ class AdminController(WebpageController):
             super().handle_request()
         else:
             self.send_redirect("/login")
-
-    def indexAction(self):
-        self.serve_template("admin.html", **self.template_variables())

owrx/controllers/settings.py

@@ -0,0 +1,75 @@
+from abc import ABC, abstractmethod
+from .admin import AdminController
+
+
+class Input(ABC):
+    def __init__(self, id, label, infotext=None):
+        self.id = id
+        self.label = label
+        self.infotext = infotext
+
+    def bootstrap_decorate(self, input):
+        infotext = "<small>{text}</small>".format(text=self.infotext) if self.infotext else ""
+        return """
+            <div class="form-group row">
+                <label class="col-form-label col-form-label-sm col-3" for="{id}">{label}</label>
+                <div class="col-9 p-0">
+                    {input}
+                    {infotext}
+                </div>
+            </div>
+        """.format(id=self.id, label=self.label, input=input, infotext=infotext)
+
+    def input_classes(self):
+        return " ".join(["form-control", "form-control-sm"])
+
+    @abstractmethod
+    def render_input(self):
+        pass
+
+    def render(self):
+        return self.bootstrap_decorate(self.render_input())
+
+
+class TextInput(Input):
+    def render_input(self):
+        return """
+            <input type="text" class="{classes}" id="{id}" name="{id}" placeholder="{label}">
+        """.format(id=self.id, label=self.label, classes=self.input_classes())
+
+
+class LocationInput(Input):
+    def render_input(self):
+        # TODO make this work and pretty
+        return "Placeholder for a map widget to select receiver location"
+
+
+class TextAreaInput(Input):
+    def render_input(self):
+        return """
+            <textarea class="{classes}" id="{id}" name="{id}"></textarea>
+        """.format(id=self.id, classes=self.input_classes())
+
+
+class SettingsController(AdminController):
+    inputs = [
+        TextInput("receiver_name", "Receiver name"),
+        TextInput("receiver_location", "Receiver location"),
+        TextInput("receiver_asl", "Receiver elevation", infotext="Elevation in meters above mean see level"),
+        TextInput("receiver_admin", "Receiver admin"),
+        LocationInput("receiver_gps", "Receiver coordinates"),
+        TextInput("photo_title", "Photo title"),
+        TextAreaInput("photo_desc", "Photo description")
+    ]
+
+    def indexAction(self):
+        self.serve_template("admin.html", **self.template_variables())
+
+    def render_form(self):
+        inputs = "".join([i.render() for i in SettingsController.inputs])
+        return "<form class=\"settings-body\">{inputs}</form>".format(inputs=inputs)
+
+    def template_variables(self):
+        variables = super().template_variables()
+        variables["form"] = self.render_form()
+        return variables