start on installer script

src/backend/lib/config.py

@@ -22,8 +22,6 @@ class Config:
         self.VERSION = _data["VERSION"]
         self.TITLE = self.TITLE + " ver " + self.VERSION
         self.book_shelf = _data["BOOKSHELF"]
-        # self.catalogue_db = "data/catalogue.db"
-        # self.catalogue_db = str(root) + "/" + _data["DATABASE"]
         self.catalogue_db = _data["DATABASE"]
         self.user = _data["USER"]
         self.password = _data["PASSWORD"]
@@ -31,7 +29,6 @@ class Config:
         self.db_port = _data["DB_PORT"]
         self.file_array = [
             self.book_shelf,
-            # self.catalogue_db,
         ]
         self.root = root
         self.auto_scan = True

src/backend/lib/display.py

@@ -0,0 +1,68 @@
+from __future__ import unicode_literals
+
+import os
+import sys
+from pprint import pprint
+
+from prompt_toolkit import prompt as prm
+
+
+class TerminalDisplay:
+    def __init__(self):
+        self.term = True
+        self.w, self.y = os.get_terminal_size()[0], os.get_terminal_size()[1]
+
+    def screen(self):
+        return self.term
+
+    def installer(self):
+        questions = [
+            {
+                "message": "Input the absolute path to your ebooks\nEg. /home/{user}/Books > ",
+                "options": "",
+                "name": "BOOKPATH",
+                "answer": "",
+            },
+            {
+                "message": "Input your PostgreSQL server ip\nEg. localhost > ",
+                "options": "localhost",
+                "name": "DB_HOST",
+                "answer": "",
+            },
+            {
+                "message": "Input your PostgreSQL server port\nEg. 5432 > ",
+                "options": "5432",
+                "name": "DB_PORT",
+                "answer": "",
+            },
+            {
+                "message": "Input your PostgreSQL user name\nEg. pyshelf > ",
+                "options": "pyshelf",
+                "name": "USER",
+                "answer": "",
+            },
+            {
+                "message": "Input your PostgreSQL password\neg. pyshelf > ",
+                "options": "pyshelf",
+                "name": "PASSWORD",
+                "answer": "",
+            },
+        ]
+        answers = self.prompt(questions)
+        pprint(answers)
+
+    @staticmethod
+    def clear():
+        os.system("cls" if os.name == "nt" else "clear")
+
+    def prompt(self, questions):
+        self.clear()
+        answers = questions
+        for answer in answers:
+            self.h_rule()
+            answer["answer"] = prm(answer["message"])
+            self.clear()
+        return answers
+
+    def h_rule(self):
+        print("\u2501" * self.w)