149 lines
5.7 KiB
Python
149 lines
5.7 KiB
Python
from owrx.controllers.template import WebpageController
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from owrx.controllers.admin import AuthorizationMixin
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from owrx.controllers.settings import SettingsBreadcrumb
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from owrx.bookmarks import Bookmark, Bookmarks
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from owrx.modes import Modes
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from owrx.breadcrumb import Breadcrumb, BreadcrumbItem, BreadcrumbMixin
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import json
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import math
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import logging
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logger = logging.getLogger(__name__)
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class BookmarksController(AuthorizationMixin, BreadcrumbMixin, WebpageController):
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def get_breadcrumb(self) -> Breadcrumb:
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return SettingsBreadcrumb().append(BreadcrumbItem("Bookmark editor", "settings/bookmarks"))
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def template_variables(self):
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variables = super().template_variables()
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variables["bookmarks"] = self.render_table()
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return variables
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def render_table(self):
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bookmarks = Bookmarks.getSharedInstance().getBookmarks()
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emptyText = """
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<tr class="emptytext"><td colspan="4">
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No bookmarks in storage. You can add new bookmarks using the buttons below.
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</td></tr>
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"""
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return """
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<table class="table" data-modes='{modes}'>
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<tr>
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<th>Name</th>
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<th class="frequency">Frequency</th>
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<th>Modulation</th>
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<th>Actions</th>
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</tr>
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{bookmarks}
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</table>
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""".format(
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bookmarks="".join(self.render_bookmark(b) for b in bookmarks) if bookmarks else emptyText,
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modes=json.dumps({m.modulation: m.name for m in Modes.getAvailableModes()}),
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)
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def render_bookmark(self, bookmark: Bookmark):
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def render_frequency(freq):
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suffixes = {
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0: "",
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3: "k",
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6: "M",
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9: "G",
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12: "T",
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}
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exp = 0
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if freq > 0:
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exp = int(math.log10(freq) / 3) * 3
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num = freq
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suffix = ""
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if exp in suffixes:
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num = freq / 10 ** exp
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suffix = suffixes[exp]
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return "{num:g} {suffix}Hz".format(num=num, suffix=suffix)
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mode = Modes.findByModulation(bookmark.getModulation())
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return """
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<tr data-id="{id}">
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<td data-editor="name" data-value="{name}">{name}</td>
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<td data-editor="frequency" data-value="{frequency}" class="frequency">{rendered_frequency}</td>
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<td data-editor="modulation" data-value="{modulation}">{modulation_name}</td>
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<td>
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<button type="button" class="btn btn-sm btn-danger bookmark-delete">delete</button>
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</td>
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</tr>
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""".format(
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id=id(bookmark),
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name=bookmark.getName(),
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# TODO render frequency in si units
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frequency=bookmark.getFrequency(),
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rendered_frequency=render_frequency(bookmark.getFrequency()),
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modulation=bookmark.getModulation() if mode is None else mode.modulation,
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modulation_name=bookmark.getModulation() if mode is None else mode.name,
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)
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def _findBookmark(self, bookmark_id):
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bookmarks = Bookmarks.getSharedInstance()
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try:
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return next(b for b in bookmarks.getBookmarks() if id(b) == bookmark_id)
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except StopIteration:
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return None
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def update(self):
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bookmark_id = int(self.request.matches.group(1))
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bookmark = self._findBookmark(bookmark_id)
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if bookmark is None:
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self.send_response("{}", content_type="application/json", code=404)
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return
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try:
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data = json.loads(self.get_body().decode("utf-8"))
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for key in ["name", "frequency", "modulation"]:
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if key in data:
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value = data[key]
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if key == "frequency":
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value = int(value)
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setattr(bookmark, key, value)
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Bookmarks.getSharedInstance().store()
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# TODO this should not be called explicitly... bookmarks don't have any event capability right now, though
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Bookmarks.getSharedInstance().notifySubscriptions(bookmark)
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self.send_response("{}", content_type="application/json", code=200)
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except json.JSONDecodeError:
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self.send_response("{}", content_type="application/json", code=400)
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def new(self):
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bookmarks = Bookmarks.getSharedInstance()
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def create(bookmark_data):
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# sanitize
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data = {
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"name": bookmark_data["name"],
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"frequency": int(bookmark_data["frequency"]),
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"modulation": bookmark_data["modulation"],
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}
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bookmark = Bookmark(data)
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bookmarks.addBookmark(bookmark)
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return {"bookmark_id": id(bookmark)}
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try:
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data = json.loads(self.get_body().decode("utf-8"))
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result = [create(b) for b in data]
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bookmarks.store()
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self.send_response(json.dumps(result), content_type="application/json", code=200)
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except json.JSONDecodeError:
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self.send_response("{}", content_type="application/json", code=400)
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def delete(self):
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bookmark_id = int(self.request.matches.group(1))
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bookmark = self._findBookmark(bookmark_id)
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if bookmark is None:
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self.send_response("{}", content_type="application/json", code=404)
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return
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bookmarks = Bookmarks.getSharedInstance()
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bookmarks.removeBookmark(bookmark)
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bookmarks.store()
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self.send_response("{}", content_type="application/json", code=200)
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def indexAction(self):
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self.serve_template("settings/bookmarks.html", **self.template_variables())
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