HBE-147 refactor: Introduce shortcodes into self-host refactored to pseudo-fp format (#22)

* refactor: refactor all queries,mutations and subscriptions for shortcode module

* test: rewrote test cases for shortcodes

* chore: modified shortcode error code

* chore: created helper function to do shortcode type conversion in service file

* chore: simplifed logic to fetch user shortcodes with cursor pagination

* chore: removed migrations file

* chore: removed unused imports in shortcodes module

* chore: modified generateUniqueShortCodeID function

* chore: modified generateUniqueShortCodeID function

* chore: changed jwtService to use verify instead of decode

* docs: added teacher comments to all shortcodes service methods

* chore: removed stale test cases from shortcode modules

packages/hoppscotch-backend/src/errors.ts

@@ -155,16 +155,29 @@ export const TEAM_INVITE_EMAIL_DO_NOT_MATCH =
 export const TEAM_INVITE_NOT_VALID_VIEWER =
   'team_invite/not_valid_viewer' as const;
 
+/**
+ * ShortCode not found in DB
+ * (ShortcodeService)
+ */
 export const SHORTCODE_NOT_FOUND = 'shortcode/not_found' as const;
 
+/**
+ * Invalid ShortCode format
+ * (ShortcodeService)
+ */
 export const SHORTCODE_INVALID_JSON = 'shortcode/invalid_json' as const;
 
+/**
+ * ShortCode already exists in DB
+ * (ShortcodeService)
+ */
+export const SHORTCODE_ALREADY_EXISTS = 'shortcode/already_exists' as const;
+
 /**
  * Invalid or non-existent TEAM ENVIRONMMENT ID
  * (TeamEnvironmentsService)
  */
-export const TEAM_ENVIRONMENT_NOT_FOUND =
-  'team_environment/not_found' as const;
+export const TEAM_ENVIRONMENT_NOT_FOUND = 'team_environment/not_found' as const;
 
 /**
  * The user is not a member of the team of the given environment