[web] improvement -> code refactoring

CHANGELOG.md

@@ -62,6 +62,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
     </p>
     
     - displaying the "Indexing suggestions" task during the initialization process
+    - code refactoring
 
 - all types now display an initialization task "Checking configuration file" responsible to create/update the respective configuration file
 - minor translation improvements

bauh/gems/web/controller.py

@@ -32,11 +32,12 @@ from bauh.commons.boot import CreateConfigFile
 from bauh.commons.html import bold
 from bauh.commons.system import ProcessHandler, get_dir_size, get_human_size_str, SimpleProcess
 from bauh.gems.web import INSTALLED_PATH, nativefier, DESKTOP_ENTRY_PATH_PATTERN, URL_FIX_PATTERN, ENV_PATH, UA_CHROME, \
-    SEARCH_INDEX_FILE, SUGGESTIONS_CACHE_FILE, ROOT_DIR, TEMP_PATH, FIXES_PATH, ELECTRON_PATH, \
+    SUGGESTIONS_CACHE_FILE, ROOT_DIR, TEMP_PATH, FIXES_PATH, ELECTRON_PATH, \
     get_icon_path
 from bauh.gems.web.config import WebConfigManager
 from bauh.gems.web.environment import EnvironmentUpdater, EnvironmentComponent
 from bauh.gems.web.model import WebApplication
+from bauh.gems.web.search import SearchIndexManager
 from bauh.gems.web.worker import SuggestionsManager, UpdateEnvironmentSettings, \
     SuggestionsLoader, SearchIndexGenerator
 
@@ -72,6 +73,7 @@ class WebApplicationManager(SoftwareManager):
         self.suggestions_loader = suggestions_loader
         self.suggestions = {}
         self.configman = WebConfigManager()
+        self.idxman = SearchIndexManager(logger=context.logger)
         self.custom_actions = [CustomSoftwareAction(i18n_label_key='web.custom_action.clean_env',
                                                     i18n_status_key='web.custom_action.clean_env.status',
                                                     manager=self,
@@ -255,11 +257,11 @@ class WebApplicationManager(SoftwareManager):
             lower_words = words.lower().strip()
             installed_matches = [app for app in installed if lower_words in app.name.lower()]
 
-            index = self._read_search_index()
+            index = self.idxman.read()
 
             if not index and self.suggestions_loader and self.suggestions_loader.is_alive():
                 self.suggestions_loader.join()
-                index = self._read_search_index()
+                index = self.idxman.read()
 
             if index:
                 split_words = lower_words.split(' ')
@@ -333,13 +335,6 @@ class WebApplicationManager(SoftwareManager):
 
         return res
 
-    def _read_search_index(self) -> dict:
-        if os.path.exists(SEARCH_INDEX_FILE):
-            with open(SEARCH_INDEX_FILE) as f:
-                return yaml.safe_load(f.read())
-        else:
-            self.logger.warning("No search index found at {}".format(SEARCH_INDEX_FILE))
-
     def read_installed(self, disk_loader: Optional[DiskCacheLoader], limit: int = -1, only_apps: bool = False, pkg_types: Set[Type[SoftwarePackage]] = None, internet_available: bool = True) -> SearchResult:
         res = SearchResult([], [], 0)
 
@@ -842,6 +837,7 @@ class WebApplicationManager(SoftwareManager):
         self.suggestions_loader.start()
 
         SearchIndexGenerator(taskman=task_manager,
+                             idxman=self.idxman,
                              suggestions_loader=self.suggestions_loader,
                              i18n=self.i18n,
                              logger=self.logger).start()

bauh/gems/web/search.py

@@ -0,0 +1,67 @@
+import os
+import time
+import traceback
+from logging import Logger
+from typing import Optional
+
+import yaml
+
+from bauh.gems.web import SEARCH_INDEX_FILE
+
+
+class SearchIndexManager:
+
+    def __init__(self, logger: Logger):
+        self.logger = logger
+
+    def generate(self, suggestions: dict) -> Optional[dict]:
+        if suggestions:
+            ti = time.time()
+            index = {}
+
+            for key, sug in suggestions.items():
+                name = sug.get('name')
+
+                if name:
+                    split_name = name.lower().strip().split(' ')
+                    single_name = ''.join(split_name)
+
+                    for word in (*split_name, single_name):
+                        mapped = index.get(word)
+
+                        if not mapped:
+                            mapped = set()
+                            index[word] = mapped
+
+                        mapped.add(key)
+
+            tf = time.time()
+            self.logger.info("Took {0:.4f} seconds to generate the index".format(tf - ti))
+
+            return index
+
+    def read(self) -> Optional[dict]:
+        if os.path.exists(SEARCH_INDEX_FILE):
+            with open(SEARCH_INDEX_FILE) as f:
+                return yaml.safe_load(f.read())
+        else:
+            self.logger.warning("No search index found at {}".format(SEARCH_INDEX_FILE))
+
+    def write(self, index: dict) -> bool:
+        if index:
+            self.logger.info('Preparing search index for writing')  # YAML does not work with 'sets'
+
+            for key in index.keys():
+                index[key] = list(index[key])
+
+            try:
+                self.logger.info('Writing {} indexed keys as {}'.format(len(index), SEARCH_INDEX_FILE))
+                with open(SEARCH_INDEX_FILE, 'w+') as f:
+                    f.write(yaml.safe_dump(index))
+                self.logger.info("Search index successfully written at {}".format(SEARCH_INDEX_FILE))
+                return True
+            except:
+                self.logger.error("Could not write the search index to {}".format(SEARCH_INDEX_FILE))
+                traceback.print_exc()
+
+        return False

bauh/gems/web/worker.py

@@ -5,13 +5,12 @@ from datetime import datetime
 from threading import Thread
 from typing import Optional
 
-import yaml
-
 from bauh.api.abstract.handler import TaskManager
 from bauh.commons.boot import CreateConfigFile
 from bauh.commons.html import bold
-from bauh.gems.web import SEARCH_INDEX_FILE, get_icon_path
+from bauh.gems.web import get_icon_path
 from bauh.gems.web.environment import EnvironmentUpdater
+from bauh.gems.web.search import SearchIndexManager
 from bauh.gems.web.suggestions import SuggestionsManager
 from bauh.view.util.translation import I18n
 
@@ -69,14 +68,15 @@ class SuggestionsLoader(Thread):
         self.taskman.update_progress(self.task_id, 100, None)
         self.taskman.finish_task(self.task_id)
         tf = time.time()
-        self.logger.info("Finished. Took {0:.2f} seconds".format(tf - ti))
+        self.logger.info("Finished. Took {0:.4f} seconds".format(tf - ti))
 
 
 class SearchIndexGenerator(Thread):
 
-    def __init__(self, taskman: TaskManager, suggestions_loader: SuggestionsLoader, i18n: I18n, logger: logging.Logger):
+    def __init__(self, taskman: TaskManager, idxman: SearchIndexManager, suggestions_loader: SuggestionsLoader, i18n: I18n, logger: logging.Logger):
         super(SearchIndexGenerator, self).__init__(daemon=True)
         self.taskman = taskman
+        self.idxman = idxman
         self.i18n = i18n
         self.logger = logger
         self.suggestions_loader = suggestions_loader
@@ -89,53 +89,18 @@ class SearchIndexGenerator(Thread):
         self.suggestions_loader.join()
 
         if self.suggestions_loader.suggestions:
-            self.generate_index(self.suggestions_loader.suggestions)
-        else:
-            self.taskman.update_progress(self.task_id, 100, None)
-            self.taskman.finish_task(self.task_id)
-
-        tf = time.time()
-        self.logger.info("Finished. Took {0:.2f} seconds".format(tf - ti))
-
-    def generate_index(self, suggestions: dict):
             self.taskman.update_progress(self.task_id, 1, None)
             self.logger.info('Indexing suggestions')
-        index = {}
+            index = self.idxman.generate(self.suggestions_loader.suggestions)
-
-        for key, sug in suggestions.items():
-            name = sug.get('name')
-
-            if name:
-                split_name = name.lower().strip().split(' ')
-                single_name = ''.join(split_name)
-
-                for word in (*split_name, single_name):
-                    mapped = index.get(word)
-
-                    if not mapped:
-                        mapped = set()
-                        index[word] = mapped
-
-                    mapped.add(key)
 
             if index:
                 self.taskman.update_progress(self.task_id, 50, self.i18n['web.task.suggestions.saving'])
-            self.logger.info('Preparing search index for writing')
+                self.idxman.write(index)
-
-            for key in index.keys():
-                index[key] = list(index[key])
-
-            try:
-                self.logger.info('Writing {} indexed keys as {}'.format(len(index), SEARCH_INDEX_FILE))
-                with open(SEARCH_INDEX_FILE, 'w+') as f:
-                    f.write(yaml.safe_dump(index))
-                self.logger.info("Search index successfully written at {}".format(SEARCH_INDEX_FILE))
-            except:
-                self.logger.error("Could not write the seach index to {}".format(SEARCH_INDEX_FILE))
-                traceback.print_exc()
 
         self.taskman.update_progress(self.task_id, 100, None)
         self.taskman.finish_task(self.task_id)
+        tf = time.time()
+        self.logger.info("Finished. Took {0:.4f} seconds".format(tf - ti))
 
 
 class UpdateEnvironmentSettings(Thread):