only add the default catalogs once

src/qgis_stac/conf.py

@@ -302,6 +302,16 @@ def is_current_connection(self, identifier: uuid.UUID):
         current = self.get_current_connection()
         return False if current is None else current.id == identifier
 
+    def is_connection(self, identifier: uuid.UUID):
+        """Checks if the connection with the identifier exists
+
+        :param identifier: Connection settings identifier.
+        :type identifier: uuid.UUID
+        """
+        connections = self.list_connections()
+        exists = any([connection.id == identifier for connection in connections])
+        return exists
+
     def _get_connection_settings_base(
             self,
             identifier: typing.Union[str, uuid.UUID]):

src/qgis_stac/definitions/catalog.py

@@ -1,55 +1,32 @@
 CATALOGS = [
     {
+        "id": "07e3e9dd-cbad-4cf6-8336-424b88abf8f3",
         "name": "Microsoft Planetary Computer STAC API",
-        "url": "https://planetarycomputer.microsoft.com/api/stac/v1"
+        "url": "https://planetarycomputer.microsoft.com/api/stac/v1",
+        "selected": True,
     },
     {
+        "id": "d74817bf-da1f-44d7-a464-b87d4009c8a3",
         "name": "Earth Search",
-        "url": "https://earth-search.aws.element84.com/v0"
+        "url": "https://earth-search.aws.element84.com/v0",
+        "selected": False,
     },
     {
+        "id": "aff201e0-58aa-483d-9e87-090c8baecd3c",
         "name": "Digital Earth Africa",
-        "url": "https://explorer.digitalearth.africa/stac/"
-    },
-    {
-        "name": "Sentinel Hub STAC catalog",
-        "url": "https://services.sentinel-hub.com/api/v1/catalog/"
-    },
-    {
-        "name": "Sentinel-2 and Landsat-8 catalog",
-        "url": "https://tamn.snapplanet.io/"
-    },
-    {
-        "name": "openEO Platform",
-        "url": "https://openeocloud.vito.be/openeo/1.0.0/"
+        "url": "https://explorer.digitalearth.africa/stac/",
+        "selected": False,
     },
     {
+        "id": "98c95473-9f32-4947-83b2-acc8bbf71f36",
         "name": "Radiant MLHub",
-        "url": "https://api.radiant.earth/mlhub/v1/"
+        "url": "https://api.radiant.earth/mlhub/v1/",
+        "selected": False,
     },
     {
+        "id": "17a79ce2-9a61-457d-926f-03d37c0606b6",
         "name": "NASA CMR STAC",
-        "url": "https://cmr.earthdata.nasa.gov/stac"
-    },
-    {
-        "name": "NASA AVIRIS catalog",
-        "url": "https://franklin.nasa-hsi.azavea.com/"
-    },
-    {
-        "name": "data.geo.admin.ch",
-        "url": "https://data.geo.admin.ch/api/stac/v0.9/"
-    },
-    {
-        "name": "Digital Earth Australia",
-        "url": "https://explorer.sandbox.dea.ga.gov.au/stac/"
-    },
-    {
-        "name": "CBERS",
-        "url": "https://stac.amskepler.com/v100"
-    },
-    {
-        "name": "Astraea Earth OnDemand",
-        "url": "https://eod-catalog-svc-prod.astraea.earth/"
-    },
-
+        "url": "https://cmr.earthdata.nasa.gov/stac",
+        "selected": False,
+    }
 ]

src/qgis_stac/main.py

@@ -12,7 +12,6 @@
 import re
 import os.path
 
-import uuid
 from qgis.core import QgsSettings
 from qgis.PyQt.QtCore import QSettings, QTranslator, QCoreApplication
 from qgis.PyQt.QtGui import QIcon
@@ -21,13 +20,9 @@
 # Initialize Qt resources from file resources.py
 from .resources import *
 
-from qgis_stac.gui.main import QgisStacWidget
-from qgis_stac.definitions.catalog import CATALOGS
-
-from qgis_stac.conf import (
-    ConnectionSettings,
-    settings_manager
-)
+from .gui.main import QgisStacWidget
+from .conf import settings_manager
+from .utils import config_defaults_catalogs
 
 
 class QgisStac:
@@ -54,21 +49,14 @@ def __init__(self, iface):
         self.toolbar = self.iface.addToolBar("STAC API Browser")
         self.toolbar.setObjectName("QGISStac")
 
-        # Add catalog
-        duplicate_names = []
-        for catalog in CATALOGS:
-            connection_settings = ConnectionSettings(
-                id=uuid.uuid4(),
-                name=catalog['name'],
-                url=catalog['url'],
-                page_size=5,
-                auth_config=None,
-            )
-            name_pattern = re.compile(
-                f"^{connection_settings.name}$|^{connection_settings.name}(\(\d+\))$"
-            )
-            if len(settings_manager.list_connections()) <= len(CATALOGS):
-                settings_manager.save_connection_settings(connection_settings)
+        # Add default catalogs, first check if they have already
+        # been set.
+        if not settings_manager.get_value(
+                "default_catalogs_set",
+                default=False,
+                setting_type=bool
+        ):
+            config_defaults_catalogs()
 
     # noinspection PyMethodMayBeStatic
     def tr(self, message):

src/qgis_stac/utils.py

@@ -0,0 +1,37 @@
+# -*- coding: utf-8 -*-
+"""
+    Plugin utilities
+"""
+import uuid
+
+from .conf import (
+    ConnectionSettings,
+    settings_manager
+)
+
+from .definitions.catalog import CATALOGS
+
+
+def config_defaults_catalogs():
+    """ Initialize the plugin connections settings with the default
+    catalogs and set the current connection active.
+    """
+
+    for catalog in CATALOGS:
+        connection_id = uuid.UUID(catalog['id'])
+        if not settings_manager.is_connection(
+                connection_id
+        ):
+            connection_settings = ConnectionSettings(
+                id=connection_id,
+                name=catalog['name'],
+                url=catalog['url'],
+                page_size=5,
+                auth_config=None,
+            )
+            settings_manager.save_connection_settings(connection_settings)
+
+            if catalog['selected']:
+                settings_manager.set_current_connection(connection_id)
+
+    settings_manager.set_value("default_catalogs_set", True)