Added CLI & help menu

README.md

@@ -30,4 +30,7 @@ Supported values:
 - implementing downloader
 - implementing scheme reader
 - creating requirements.txt
-- complete ReadME
+- complete ReadME
+
+# Postponed todos
+- Implementing support for both SQLite and MySQL

main.py

@@ -18,13 +18,14 @@
 
 
 # Own Modules
-from project_functions import check_dependencies
+from project_functions import check_dependencies, show_help
 from database_manager import db_init, check_db, check_table_exist, create_table
 from config_handler import config, check_for_config
 # Python Modules
 import logging
 import json
 import sys
+from prettytable import PrettyTable
 
 
 # Init. Logging
@@ -116,4 +117,35 @@
     result = create_table(column_data_as_json["db"]["table_name"], column_data_as_json["db"]["columns"])
     if not result:
         logging.error("Error while creating table! - Check log")
-        exit()
+        exit()
+
+#All Tables exists needed to run this thing...
+logging.info("All mandatory tables are existing...")
+
+#Deciding action based on given arguments
+if len(sys.argv) > 1:
+    #Command provided
+    match sys.argv[1]:
+        case "help":
+            #provide help
+            show_help()
+        case "add-subscription":
+            #Add a new subscription
+            exit()
+        case "del-subscription":
+            #Delete a subscription
+            exit()
+        case "list-subscriptions":
+            #Show all subscriptions
+            exit()
+        case "custom":
+            #Download a custom Item without being part of a subscription
+            exit()
+        case "start":
+            #Run the script to check for new content and download it
+            exit()
+        case "validate":
+            #Rehash all files and compare them to the already stored files.
+            exit()
+else:
+    show_help()

project_functions.py

@@ -12,8 +12,35 @@
 # like controls or checks are located inside this file. 
 #
 
+from prettytable import PrettyTable
+
 def check_dependencies():
     return
 
 def check_db():
-    return
+    return
+
+def show_help():
+    print("------------------------------ Help ------------------------------")
+    print("You asked for help... Here it is :) - Run YT-Manager with the following commands and you're good to go")
+    help_table = PrettyTable(['Command', 'argument', 'description'])
+    help_table.align['Command'] = "l"
+    help_table.align['argument'] = "l"
+    help_table.align['description'] = "l"
+    help_table.add_row(['--Subscriptions--', '', ''])
+    help_table.add_row(['add-subscription', '<<url>>', 'Add a new subscription'])
+    help_table.add_row(['del-subscription', '<<number>> | <<Name>>, <<delete_content>>', 'Delete a subscription. You can either provide the ID of your subscription (use list-subscriptions)'])
+    help_table.add_row(['', '', 'or the name of the subscription (Name of a channel). The second parameter defines if all content of this channel also should be removed (Default: False = NO)"'])
+    help_table.add_row(['list-subscriptions', '<<filter>>', 'List all subscriptions - You can provide a Filter (Array) of schemes you want to include'])
+    help_table.add_row(['', '', ''])
+    help_table.add_row(['--Other--', '', ''])
+    help_table.add_row(['validate', '', 'After any downloaded file a hash is generated and stored. For both checking for any duplicate files (independent of the name) and checking integrity of files (and maybe redownload them).'])
+    help_table.add_row(['', '', 'If you use this command all files will be revalidated and a report will be generated if there are any mismatches. '])
+    help_table.add_row(['', '', 'But be aware - This operation can take very long and consumes much power... Use it with care or overnight :) -  At the end you will see a report and you can decide if mismatched files should be redonwloaded'])
+    help_table.add_row(['', '', ''])
+    help_table.add_row(['--Operation--', '', ''])
+    help_table.add_row(['custom', '<<url>>', 'In case you want to download a video from a channel without a subscription you can do it here... The file will saved in the default scheme based folder under /custom'])
+    help_table.add_row(['start', '', 'Run the script -> Check all subscriptions for new content and download it'])
+    print(help_table)
+    print("Example: yt-manager.py add-subscription youtube-url")
+    print("------------------------------------------------------------------")