Merge pull request #146 from mocchapi/theme-repository-integration

Theme repository integration

.gitignore

@@ -179,3 +179,4 @@ cython_debug/
 #  and can be added to the global gitignore or merged into this file.  For a more nuclear
 #  option (not recommended) you can uncomment the following to ignore the entire idea folder.
 #.idea/
+

menus.py

@@ -12,6 +12,7 @@ except ImportError:
 
 import ostools
 import parsetools
+from theme_repo_manager import ThemeManagerWidget
 from generic import RightClickList, RightClickTree, MultiTextDialog
 from dataobjs import pesterQuirk, PesterProfile, PesterHistory
 from memos import TimeSlider, TimeInput
@@ -1425,6 +1426,13 @@ class PesterOptions(QtWidgets.QDialog):
         layout_5.addWidget(QtWidgets.QLabel("Minutes before Idle:"))
         layout_5.addWidget(self.idleBox)
 
+        layout_repo_url = QtWidgets.QHBoxLayout()
+        self.repoUrlBox = QtWidgets.QLineEdit(self)
+        self.repoUrlBox.setText(self.config.theme_repo_url())
+
+        layout_repo_url.addWidget(QtWidgets.QLabel("Theme repository db URL:"))
+        layout_repo_url.addWidget(self.repoUrlBox)
+
         # self.updateBox = QtWidgets.QComboBox(self)
         # self.updateBox.addItem("Once a Day")
         # self.updateBox.addItem("Once a Week")
@@ -1446,15 +1454,36 @@ class PesterOptions(QtWidgets.QDialog):
         if not parent.randhandler.running:
             self.randomscheck.setEnabled(False)
 
-        avail_themes = self.config.availableThemes()
         self.themeBox = QtWidgets.QComboBox(self)
-        notheme = theme.name not in avail_themes
-        for i, t in enumerate(avail_themes):
-            self.themeBox.addItem(t)
-            if (not notheme and t == theme.name) or (notheme and t == "pesterchum"):
-                self.themeBox.setCurrentIndex(i)
+
+        def reset_themeBox():
+            avail_themes = self.config.availableThemes()
+            PchumLog.debug("Resetting themeself.themeBox")
+            self.themeBox.clear()
+            notheme = theme.name not in avail_themes
+            for i, t in enumerate(avail_themes):
+                self.themeBox.addItem(t)
+                if (not notheme and t == theme.name) or (notheme and t == "pesterchum"):
+                    self.themeBox.setCurrentIndex(i)
+            self.themeBox.setSizePolicy(
+                QtWidgets.QSizePolicy(
+                    QtWidgets.QSizePolicy.Policy.MinimumExpanding,
+                    QtWidgets.QSizePolicy.Policy.Minimum,
+                )
+            )
+
+        reset_themeBox()
         self.refreshtheme = QtWidgets.QPushButton("Refresh current theme", self)
         self.refreshtheme.clicked.connect(parent.themeSelectOverride)
+        self.refreshtheme.setSizePolicy(
+            QtWidgets.QSizePolicy(
+                QtWidgets.QSizePolicy.Policy.Minimum,
+                QtWidgets.QSizePolicy.Policy.Minimum,
+            )
+        )
+        self.themeManager = ThemeManagerWidget(self.config)
+        self.themeManager.rebuilt.connect(reset_themeBox)
+        # This makes it so that the themeBox gets updated when a theme is installed or removed through the repository
         self.ghostchum = QtWidgets.QCheckBox("Pesterdunk Ghostchum!!", self)
         self.ghostchum.setChecked(self.config.ghostchum())
 
@@ -1656,6 +1685,7 @@ class PesterOptions(QtWidgets.QDialog):
         layout_idle = QtWidgets.QVBoxLayout(widget)
         layout_idle.setAlignment(QtCore.Qt.AlignmentFlag.AlignTop)
         layout_idle.addLayout(layout_5)
+        layout_idle.addLayout(layout_repo_url)
         layout_idle.addLayout(layout_6)
         # if not ostools.isOSXLeopard():
         #    layout_idle.addWidget(self.mspaCheck)
@@ -1666,8 +1696,13 @@ class PesterOptions(QtWidgets.QDialog):
         layout_theme = QtWidgets.QVBoxLayout(widget)
         layout_theme.setAlignment(QtCore.Qt.AlignmentFlag.AlignTop)
         layout_theme.addWidget(QtWidgets.QLabel("Pick a Theme:"))
-        layout_theme.addWidget(self.themeBox)
-        layout_theme.addWidget(self.refreshtheme)
+
+        layout_theme_hbox = QtWidgets.QHBoxLayout()
+        layout_theme_hbox.addWidget(self.themeBox)
+        layout_theme_hbox.addWidget(self.refreshtheme)
+        layout_theme.addLayout(layout_theme_hbox)
+        layout_theme.addWidget(QtWidgets.QLabel("Get new themes:"))
+        layout_theme.addWidget(self.themeManager)
         layout_theme.addWidget(self.ghostchum)
         self.pages.addWidget(widget)
 

ostools.py

@@ -51,17 +51,24 @@ def validateDataDir():
     logs = os.path.join(datadir, "logs")
     errorlogs = os.path.join(datadir, "errorlogs")
     backup = os.path.join(datadir, "backup")
-    js_pchum = os.path.join(datadir, "pesterchum.js")
+    themes = os.path.join(datadir, "themes")
+    # ~lisanne `datadir/themes` is for repository installed themes
+    # Apparently everything checks this folder for themes already
+    # So hopefully im not plugging into an existng system on accident
 
-    dirs = [datadir, profile, quirks, logs, errorlogs, backup]
+    js_pchum = os.path.join(datadir, "pesterchum.js")
+    js_manifest = os.path.join(datadir, "manifest.js")
+
+    dirs = [datadir, profile, quirks, logs, themes, errorlogs, backup]
     for d in dirs:
         if not os.path.isdir(d) or not os.path.exists(d):
             os.makedirs(d, exist_ok=True)
 
     # pesterchum.js
-    if not os.path.exists(js_pchum):
-        with open(js_pchum, "w") as f:
-            f.write("{}")
+    for filepath in [js_pchum, js_manifest]:
+        if not os.path.exists(filepath):
+            with open(filepath, "w") as f:
+                f.write("{}")
 
 
 def getDataDir():

pesterchum.py

@@ -3101,6 +3101,11 @@ class PesterWindow(MovingWindow):
             if idlesetting != curidle:
                 self.config.set("idleTime", idlesetting)
                 self.idler["threshold"] = 60 * idlesetting
+            # theme repo url
+            repourlsetting = self.optionmenu.repoUrlBox.text()
+            if repourlsetting != self.config.theme_repo_url():
+                self.config.set("theme_repo_url", repourlsetting)
+
             # theme
             ghostchumsetting = self.optionmenu.ghostchum.isChecked()
             curghostchum = self.config.ghostchum()
@@ -4194,6 +4199,7 @@ class MainProgram(QtCore.QObject):
         self.irc.finished.disconnect(self.restartIRC)
 
     def showUpdate(self, q):
+        # ~Lisanne: Doesn't seem to be used anywhere, old update notif mechanism?
         new_url = q.get()
         if new_url[0]:
             self.widget.pcUpdate.emit(new_url[0], new_url[1])

theme_repo_manager.py

@@ -0,0 +1,567 @@
+import os
+import io
+import json
+import zipfile
+import logging
+from shutil import rmtree
+from datetime import datetime
+
+from ostools import getDataDir
+
+try:
+    from PyQt6 import QtCore, QtGui, QtWidgets, QtNetwork
+    from PyQt6.QtGui import QAction
+
+    _flag_selectable = QtCore.Qt.TextInteractionFlag.TextSelectableByMouse
+    _flag_topalign = (
+        QtCore.Qt.AlignmentFlag.AlignLeading
+        | QtCore.Qt.AlignmentFlag.AlignLeft
+        | QtCore.Qt.AlignmentFlag.AlignTop
+    )
+except ImportError:
+    print("PyQt5 fallback (thememanager.py)")
+    from PyQt5 import QtCore, QtGui, QtWidgets, QtNetwork
+    from PyQt5.QtWidgets import QAction
+
+    _flag_selectable = QtCore.Qt.TextSelectableByMouse
+    _flag_topalign = QtCore.Qt.AlignLeading | QtCore.Qt.AlignLeft | QtCore.Qt.AlignTop
+
+PchumLog = logging.getLogger("pchumLogger")
+themeManager = None
+
+
+# ~Lisanne
+# This file has all the stuff needed to use a theme repository
+# - ThemeManagerWidget, a GUI widget that lets the user install, update, & delete repository themes
+# - ThemeManager, the class that the widget hooks up to. Handles fetching, downloading, installing, & keeps the manifest updated
+
+# Manifest is a local file that tracks the metadata of themes downloaded from the repository
+# Its a themename: {database entry} dict
+
+
+class ThemeManager(QtCore.QObject):
+    # signals
+    theme_installed = QtCore.pyqtSignal(str)  # theme name
+    zip_downloaded = QtCore.pyqtSignal(str, str)  # theme name, zip location
+    database_refreshed = QtCore.pyqtSignal(dict)  # self.manifest
+    manifest_updated = QtCore.pyqtSignal(dict)  # self.manifest
+    errored = QtCore.pyqtSignal(str)  # error_text
+
+    # variables
+    manifest = {}
+    database = {}
+    database_entries = {}
+    config = None
+    manifest_path = os.path.join(getDataDir(), "manifest.js")
+    NAManager = None
+
+    downloads = {}
+
+    def __init__(self, config):
+        super().__init__()
+        with open(self.manifest_path, "r") as f:
+            self.manifest = json.load(f)
+        PchumLog.debug("Manifest.js loaded with: %s", self.manifest)
+        self.config = config
+        # TODO: maybe make seperate QNetworkAccessManagers for theme downloads, database fetches, and integrity checkfile
+        # OR figure out how to connect the signal to tasks instead of the whole object
+        # That way we dont have to figure out what got downloaded afterwards, and can just have a _on_reply_theme & _on_reply_database or something
+        self.NAManager = QtNetwork.QNetworkAccessManager()
+        self.NAManager.finished[QtNetwork.QNetworkReply].connect(self._on_reply)
+        self.validate_manifest()
+        self.refresh_database()
+
+    @QtCore.pyqtSlot()
+    def refresh_database(self):
+        # Fetches a new copy of the theme database from the given URL
+        # The initialisation & processing of it is handled in self._on_reply
+        PchumLog.debug(
+            "Refreshing theme repo database @ %s", self.config.theme_repo_url()
+        )
+        promise = self.NAManager.get(
+            QtNetwork.QNetworkRequest(QtCore.QUrl(self.config.theme_repo_url()))
+        )
+
+    def delete_theme(self, theme_name):
+        # TODO: check if other installed themes inherit from this to avoid broken themes
+        # would require some kinda confirmation popup which i havent figure out yet
+        PchumLog.info("Deleting installed repo theme %s", theme_name)
+        theme = self.manifest[theme_name]
+        directory = os.path.join(getDataDir(), "themes", theme["name"])
+        if os.path.isdir(directory):
+            rmtree(directory)
+        self.manifest.pop(theme_name)
+        self.save_manifest()
+        self.manifest_updated.emit(self.manifest)
+
+    def save_manifest(self):
+        with open(self.manifest_path, "w") as f:
+            json.dump(self.manifest, f)
+        PchumLog.debug("Saved manifes.js to %s", self.manifest_path)
+
+    def validate_manifest(self):
+        # Checks if the themes the manifest claims are installed actually exists
+        # Removes them from the manifest if they dont
+        to_pop = set()
+        all_themes = self.config.availableThemes()
+        for theme_name in self.manifest:
+            if not theme_name in all_themes:
+                PchumLog.warning(
+                    "Supposedly installed theme %s from the manifest seems to have been deleted, removing from manifest now",
+                    theme_name,
+                )
+                # Cannot be popped while iterating!
+                to_pop.add(theme_name)
+
+        for theme_name in to_pop:
+            self.manifest.pop(theme_name)
+
+    def download_theme(self, theme_name):
+        # Downloads the theme .zip
+        # The actual installing is handled by _on_reply when the theme is downloaded
+        # Performs no version checks or dependency handling
+        # Use install_theme() instead unless you know what you're doing
+        PchumLog.info("Downloading %s", theme_name)
+        if not theme_name in self.database_entries:
+            PchumLog.error("Theme name %s does not exist in the database!", theme_name)
+            return
+        PchumLog.debug("(From %s)", self.database_entries[theme_name]["download"])
+        promise = self.NAManager.get(
+            QtNetwork.QNetworkRequest(
+                QtCore.QUrl(self.database_entries[theme_name]["download"])
+            )
+        )
+        self.downloads[
+            self.database_entries[theme_name]["download"]
+        ] = self.database_entries[theme_name]
+
+    def install_theme(self, theme_name, force_install=False):
+        # A higher way to install a theme than download_theme
+        # Checks if the theme is already installed & if its up to date
+        # Also recursively handled dependencies, which download_theme does not
+        # !! note that this does not check if theres a circular dependency !!
+        # Setting force_install to True will install a given theme, even if it is deemed unnecessary to do so or its inherit dependency cannot be installed
+        # This gives it the same no-nonsense operation as download_theme, but with the checks in place
+        PchumLog.info("Installing theme %s", theme_name)
+        if force_install:
+            PchumLog.debug("(force_install is enabled)")
+        if not theme_name in self.database_entries:
+            PchumLog.error("Theme %s does not exist in the database!", theme_name)
+            self.errored.emit("Theme %s does not exist in the database!" % theme_name)
+            return
+
+        all_themes = self.config.availableThemes()
+        theme = self.database_entries[theme_name]
+        if (
+            not self.is_installed(theme_name) and theme_name in all_themes
+        ):  # Theme exists, but not installed by manager
+            PchumLog.warning(
+                "Theme %s is already installed manually. The manual version will get shadowed by the repository version & will not be usable",
+                theme_name,
+            )
+
+        # Check depedencies
+        if theme["inherits"] != "":
+            if self.is_installed(theme["inherits"]):
+                # Inherited theme is installed. A-OK
+                PchumLog.debug(
+                    "Theme %s requires theme %s, which is already installed through the repository",
+                    theme_name,
+                    theme["inherits"],
+                )
+            if theme["inherits"] in all_themes:
+                # Inherited theme is manually installed. A-OK
+                PchumLog.debug(
+                    "Theme %s requires theme %s, which is already installed manually by the user",
+                    theme_name,
+                    theme["inherits"],
+                )
+            elif theme["inherits"] in self.database_entries:
+                # The Inherited theme is not installed, but can be. A-OK
+                PchumLog.info(
+                    "Theme %s requires theme %s, which will now be installed",
+                    theme_name,
+                    theme["inherits"],
+                )
+                self.install_theme(theme["inherits"])
+            else:
+                # Inherited theme is not installed, and can't be installed automatically. Exits unless force_install is True
+                if force_install:
+                    PchumLog.error(
+                        "Theme %s requires theme %s, which is not installed and not in the database. Installing %s anyways, because force_install is True",
+                        theme_name,
+                        theme,
+                        theme_name["inherits"],
+                    )
+                else:
+                    PchumLog.error(
+                        "Theme %s requires theme %s, which is not installed and not in the database. Cancelling install",
+                        theme_name,
+                        theme["inherits"],
+                    )
+                    self.errored.emit(
+                        "Theme %s requires theme %s, which is not installed and not in the database. Cancelling install"
+                        % (theme_name, theme["inherits"])
+                    )
+                    return
+
+        # Check if there's no need to re-install theme
+        # This is done after the dependency check in case an inherited theme is missing two levels down
+        if self.is_installed(theme_name) and not self.has_update(
+            theme_name
+        ):  # Theme is installed by manager, and is up-to-date
+            if force_install:
+                PchumLog.warning(
+                    "Theme %s is already installed, and no update is available. Installing anyways, because force_install is True",
+                    theme_name,
+                )
+            else:
+                PchumLog.warning(
+                    "Theme %s is already installed, and no update is available. Cancelling install",
+                    theme_name,
+                )
+                self.errored.emit(
+                    "Theme %s is already installed, and no update is available. Cancelling install"
+                    % theme_name
+                )
+                return
+
+        # All is ok. or we're just ignoring the errors through force_install
+        # No matter. downloading time
+        self.download_theme(theme_name)
+
+    def has_update(self, theme_name):
+        # Has the given theme an update available
+        # Returns False if the theme is installed manually or when the theme is up to date
+        if self.is_installed(theme_name) and theme_name in self.database_entries:
+            return (
+                self.manifest[theme_name]["version"]
+                < self.database_entries[theme_name]["version"]
+            )
+        return False
+
+    def is_installed(self, theme_name):
+        # checks if a theme is installed through the manager
+        # Note that this will return False if the given name is a theme that the user installed manually!
+        return theme_name in self.manifest
+
+    def is_database_valid(self):
+        return "entries" in self.database and isinstance(
+            self.database.get("entries"), list
+        )
+
+    # using a slot decorator here raises `ERROR - <class 'TypeError'>, connect() failed between finished(QNetworkReply*) and _on_reply()``
+    # maybe because of the underscore?
+    # @QtCore.pyqtSlot(QtNetwork.QNetworkReply)
+    def _on_reply(self, reply):
+        if reply.error() != QtNetwork.QNetworkReply.NetworkError.NoError:
+            PchumLog.error(
+                "An error occured contacting the repository: %s", reply.error()
+            )
+            self.errored.emit(
+                "An error occured contacting the repository: %s" % reply.error()
+            )
+            return
+        try:
+            original_url = reply.request().url().url()
+            # Check if zipfile or database fetch
+            if original_url in self.downloads:
+                # This is a theme zip!
+                theme = self.downloads[original_url]
+                self._handle_downloaded_zip(bytes(reply.readAll()), theme["name"])
+                self.downloads.pop(original_url)
+                self.manifest[theme["name"]] = theme
+                self.save_manifest()
+                self.manifest_updated.emit(self.manifest)
+                PchumLog.info("Theme %s is now installed", theme["name"])
+            else:
+                # This is a database refresh!
+                as_json = bytes(reply.readAll()).decode("utf-8")
+                self.database = json.loads(as_json)
+                self.database_entries = {}
+                if not self.is_database_valid():
+                    self.database = {}
+                    PchumLog.error('Incorrect database format, missing "entries"')
+                    self.errored.emit('Incorrect database format, missing "entries"')
+                    return
+
+                # Filter out non-QTchum client themes, like for godot
+                for dbindex in range(
+                    len(self.database["entries"]) - 1, -1, -1
+                ):  # Iterate over the database in reverse
+                    dbitem = self.database["entries"][dbindex]
+                    if dbitem["client"] != "pesterchum":
+                        PchumLog.debug(
+                            "Removed database theme %s because it is not compatible with this client",
+                            dbitem["name"],
+                        )
+                        self.database["entries"].pop(dbindex)
+                # Make an easy lookup table instead of the array we get from the DB
+                for dbitem in self.database["entries"]:
+                    self.database_entries[dbitem["name"]] = dbitem
+                PchumLog.info("Database refreshed")
+                self.database_refreshed.emit(self.database)
+
+        except json.decoder.JSONDecodeError as e:
+            PchumLog.error("Could not decode theme database JSON: %s", e)
+            self.errored.emit("Could not decode theme database JSON: %s" % e)
+            return
+        except KeyError as e:
+            self.database = {}
+            self.database_entries = {}
+            PchumLog.error("Vital key missing from theme database: %s", e)
+            self.errored.emit("Vital key missing from theme database: %s" % e)
+            return
+
+    def _handle_downloaded_zip(self, zip_buffer, theme_name):
+        # Unzips the downloaded theme package in-memory to datadir/themes/theme_name
+        # I dont think this runs in a thread so it may block, but its so fast i dont think it really matters
+        # But i guess if its a zip bomb itll crash
+        directory = os.path.join(getDataDir(), "themes", theme_name)
+        with zipfile.ZipFile(io.BytesIO(zip_buffer)) as z:
+            if os.path.isdir(directory):
+                rmtree(directory)
+                # Deletes old files that have been removed in an update
+            z.extractall(directory)
+
+
+class ThemeManagerWidget(QtWidgets.QWidget):
+    icons = None
+    config = None
+
+    rebuilt = QtCore.pyqtSignal()
+
+    def __init__(self, config, parent=None):
+        super().__init__(parent)
+        self.icons = [
+            QtGui.QIcon("img/download_pending.png"),
+            QtGui.QIcon("img/download_done.png"),
+            QtGui.QIcon("img/download_update.png"),
+        ]
+        self.config = config
+        global themeManager
+        if themeManager is None or not themeManager.is_database_valid():
+            themeManager = ThemeManager(config)
+            self.setupUI()
+        else:
+            self.setupUI()
+            self.rebuild()
+        themeManager.database_refreshed.connect(self._on_database_refreshed)
+        themeManager.manifest_updated.connect(self._on_database_refreshed)
+
+    def setupUI(self):
+        self.layout_main = QtWidgets.QVBoxLayout(self)
+        self.setLayout(self.layout_main)
+
+        # Search bar
+        # TODO: implement searching
+        # self.line_search = QtWidgets.QLineEdit()
+        # self.line_search.setPlaceholderText("Search for themes")
+        # self.layout_main.addWidget(self.line_search)
+
+        # Main layout
+        # [list of themes/results] | [selected theme details]
+        layout_hbox_list_and_details = QtWidgets.QHBoxLayout()
+        # This is the list of database themes
+        self.list_results = QtWidgets.QListWidget()
+        self.list_results.setSizePolicy(
+            QtWidgets.QSizePolicy(
+                QtWidgets.QSizePolicy.Policy.Expanding,
+                QtWidgets.QSizePolicy.Policy.Expanding,
+            )
+        )
+        self.list_results.itemSelectionChanged.connect(self._on_theme_selected)
+        layout_hbox_list_and_details.addWidget(self.list_results)
+
+        # This is the right side, has the install buttons & all the theme details of the selected item
+        layout_vbox_details = QtWidgets.QVBoxLayout()
+        # The theme details are inside a scroll container in case of small window
+        self.frame_scroll = QtWidgets.QScrollArea()
+        self.frame_scroll.setSizePolicy(
+            QtWidgets.QSizePolicy(
+                QtWidgets.QSizePolicy.Policy.Preferred,
+                QtWidgets.QSizePolicy.Policy.Expanding,
+            )
+        )
+        # The vbox that the detail labels will rest in
+        layout_vbox_scroll_insides = QtWidgets.QVBoxLayout()
+
+        # here starts the actual detail labels
+        # Selected theme's name
+        self.lbl_theme_name = QtWidgets.QLabel("Click a theme to get started")
+        self.lbl_theme_name.setTextInteractionFlags(_flag_selectable)
+        self.lbl_theme_name.setStyleSheet(
+            "QLabel { font-size: 16px; font-weight:bold;}"
+        )
+        self.lbl_theme_name.setWordWrap(True)
+        layout_vbox_scroll_insides.addWidget(self.lbl_theme_name)
+
+        # Author name
+        self.lbl_author_name = QtWidgets.QLabel("")
+        self.lbl_author_name.setTextInteractionFlags(_flag_selectable)
+        layout_vbox_scroll_insides.addWidget(self.lbl_author_name)
+
+        # description. this needs to be the biggest
+        self.lbl_description = QtWidgets.QLabel("")
+        self.lbl_description.setTextInteractionFlags(_flag_selectable)
+        self.lbl_description.setSizePolicy(
+            QtWidgets.QSizePolicy(
+                QtWidgets.QSizePolicy.Policy.Preferred,
+                QtWidgets.QSizePolicy.Policy.MinimumExpanding,
+            )
+        )
+        self.lbl_description.setAlignment(_flag_topalign)
+        self.lbl_description.setWordWrap(True)
+        layout_vbox_scroll_insides.addWidget(self.lbl_description)
+
+        # requires. shows up if a theme has "inherits" set & we dont have it installed
+        self.lbl_requires = QtWidgets.QLabel("")
+        self.lbl_requires.setTextInteractionFlags(_flag_selectable)
+        self.lbl_requires.setWordWrap(True)
+        layout_vbox_scroll_insides.addWidget(self.lbl_requires)
+
+        # Version number. this will also show the current installed one if there is an update
+        self.lbl_version = QtWidgets.QLabel("")
+        self.lbl_version.setTextInteractionFlags(_flag_selectable)
+        layout_vbox_scroll_insides.addWidget(self.lbl_version)
+
+        # Last update time
+        self.lbl_last_update = QtWidgets.QLabel("")
+        self.lbl_last_update.setWordWrap(True)
+        self.lbl_last_update.setTextInteractionFlags(_flag_selectable)
+        layout_vbox_scroll_insides.addWidget(self.lbl_last_update)
+
+        # Theme details done, so we wont need the scroll after this
+        self.frame_scroll.setLayout(layout_vbox_scroll_insides)
+        layout_vbox_details.addWidget(self.frame_scroll)
+        # Insta//uninstall buttons
+        # "Uninstall" button. Only visisble when the selected thene is installed
+        self.btn_uninstall = QtWidgets.QPushButton("Uninstall", self)
+        self.btn_uninstall.setHidden(True)
+        self.btn_uninstall.clicked.connect(self._on_uninstall_clicked)
+        layout_vbox_details.addWidget(self.btn_uninstall)
+        # "Install" button. can also say "Update" if an update is availible
+        # Only visible when not installed or if theres an update
+        self.btn_install = QtWidgets.QPushButton("Install", self)
+        self.btn_install.clicked.connect(self._on_install_clicked)
+        self.btn_install.setDisabled(True)
+        layout_vbox_details.addWidget(self.btn_install)
+
+        # Done with details
+        layout_hbox_list_and_details.addLayout(layout_vbox_details)
+        self.layout_main.addLayout(layout_hbox_list_and_details)
+
+        self.btn_refresh = QtWidgets.QPushButton("Refresh", self)
+        self.btn_refresh.clicked.connect(
+            themeManager.refresh_database
+        )  # Conneced to themeManager!
+        self.layout_main.addWidget(self.btn_refresh)
+
+        self.lbl_error = QtWidgets.QLabel("")
+        self.lbl_error.setVisible(False)
+        self.lbl_error.setWordWrap(True)
+        themeManager.errored.connect(self._on_fetch_error)
+        self.lbl_error.setTextInteractionFlags(_flag_selectable)
+        self.lbl_error.setStyleSheet(
+            " QLabel { background-color:black; color:red; font-size: 16px;}"
+        )
+        self.layout_main.addWidget(self.lbl_error)
+
+    def _on_fetch_error(self, text):
+        self.lbl_error.setText(text)
+        self.lbl_error.setVisible(True)
+
+    def _on_uninstall_clicked(self):
+        theme = themeManager.database["entries"][self.list_results.currentRow()]
+        themeManager.delete_theme(theme["name"])
+
+    def _on_install_clicked(self):
+        theme = themeManager.database["entries"][self.list_results.currentRow()]
+        themeManager.install_theme(theme["name"])
+
+    @QtCore.pyqtSlot()
+    def _on_theme_selected(self):
+        index = self.list_results.currentRow()
+        theme = themeManager.database["entries"][index]
+        theme_name = theme["name"]
+        is_installed = themeManager.is_installed(theme_name)
+        has_update = themeManager.has_update(theme_name)
+        self.btn_install.setDisabled(False)
+        self.btn_install.setText("Update" if has_update else "Install")
+        self.btn_install.setVisible((is_installed and has_update) or not is_installed)
+        self.btn_uninstall.setVisible(themeManager.is_installed(theme_name))
+
+        self.lbl_theme_name.setText(theme_name)
+        self.lbl_author_name.setText("By %s" % theme["author"])
+        self.lbl_description.setText(theme["description"])
+        version_text = "Version %s" % theme["version"]
+        if has_update:
+            version_text += (
+                " (installed: %s)" % themeManager.manifest[theme_name]["version"]
+            )
+        self.lbl_version.setText(version_text)
+        requires_text = ""
+        if theme["inherits"]:
+            requires_text += "Requires %s" % theme["inherits"]
+        if theme["inherits"] in self.config.availableThemes():
+            requires_text += " (installed)"
+        self.lbl_requires.setText((requires_text) if theme["inherits"] else "")
+        last_update_text = "Released on: "
+        last_update_text += datetime.fromtimestamp(theme["updated"]).strftime(
+            "%d/%m/%Y, %H:%M"
+        )
+        self.lbl_last_update.setText(last_update_text)
+
+    @QtCore.pyqtSlot(dict)
+    def _on_database_refreshed(self, _):
+        self.rebuild()
+
+    def rebuild(self):
+        prev_selected_index = self.list_results.currentRow()
+        database = themeManager.database
+        self.list_results.clear()
+        self.lbl_error.setText("")
+        self.lbl_error.setVisible(False)
+
+        if not themeManager.is_database_valid():
+            self.lbl_error.setText("")
+            self.lbl_error.setVisible(True)
+
+        # Repopulate the list
+        for dbitem in database["entries"]:
+            # Determine the suffix
+            icon = self.icons[0]
+            status = ""
+            if themeManager.is_installed(dbitem["name"]):
+                if themeManager.has_update(dbitem["name"]):
+                    status = "~ (update available)"
+                    icon = self.icons[2]
+                else:
+                    status = "~ (installed)"
+                    icon = self.icons[1]
+            text = "%s by %s %s" % (dbitem["name"], dbitem["author"], status)
+            item = QtWidgets.QListWidgetItem(icon, text)
+            self.list_results.addItem(item)
+
+        if prev_selected_index > -1:
+            # Re-select last item, if it was selected
+            self.list_results.setCurrentRow(prev_selected_index)
+            self._on_theme_selected()
+        else:
+            # Return sidebar info panel to defaults if nothing was selected
+            self.btn_install.setDisabled(True)
+            for lbl in [
+                self.lbl_author_name,
+                self.lbl_description,
+                self.lbl_version,
+                self.lbl_requires,
+                self.lbl_last_update,
+            ]:
+                lbl.setText("")
+            self.lbl_theme_name.setText("Click a theme to get started")
+            self.btn_uninstall.setVisible(False)
+            self.btn_install.setVisible(True)
+            self.btn_install.setDisabled(True)
+
+        self.rebuilt.emit()
+        PchumLog.debug("Rebuilt emitted")

user_profile.py

@@ -361,6 +361,12 @@ with a backup from: <a href='%s'>%s</a></h3></html>"
     def irc_compatibility_mode(self):
         return self.config.get("irc_compatibility_mode", False)
 
+    def theme_repo_url(self):
+        return self.config.get(
+            "theme_repo_url",
+            "https://raw.githubusercontent.com/mocchapi/pesterchum-themes/main/db.json",
+        )
+
     def force_prefix(self):
         return self.config.get("force_prefix", True)