moved funcitons to api calls, add vendor add/delete function routes, added api route to get line items by month

app/routes.py

@@ -1,8 +1,8 @@
 from app import app, db
-from flask import render_template, redirect, url_for, request
+from flask import render_template, redirect, url_for, request, jsonify
 from sqlalchemy import select, delete, update
 from .models import LineItem, BudgetCategory, Vendor
-from .utils import get_uploads_path, get_month_timestamps
+from .utils import get_uploads_path, get_month_timestamps, get_all_months
 import datetime
 import os
 import openpyxl
@@ -24,17 +24,11 @@ def vendors():
 
 @app.route('/')
 def home():
-    last_month_datetime = datetime.datetime(datetime.datetime.now().year,datetime.datetime.now().month, 1) - datetime.timedelta(days=1)
-    first_day_timestamp, last_day_timestamp = get_month_timestamps(last_month_datetime.month, last_month_datetime.year)
-    last_month_lines = db.session.execute(select(LineItem).where(LineItem.date > first_day_timestamp, LineItem.date < last_day_timestamp)).all()
-    for li in last_month_lines:
-        dt_object = datetime.datetime.fromtimestamp(li[0].date)
-        date_string = dt_object.strftime('%Y-%m-%d')
-        li[0].date = date_string
+    all_months = get_all_months()
     files = os.listdir(get_uploads_path())
     return render_template('homepage.html', 
                            files=files,
-                           last_month_lines=last_month_lines)
+                           all_months=all_months)
 
 @app.route('/upload_file/<filename>')
 def upload_file(filename:str):
@@ -93,6 +87,13 @@ def view_month(year, month):
                            month=month,
                            year=year)
 
+
+
+###################
+# API calls below #
+###################
+
+
 @app.route('/add_budget_category', methods=['POST'])
 def add_budget_category():
     if request.method == 'POST':
@@ -102,10 +103,55 @@ def add_budget_category():
         db.session.add(bc)
         db.session.commit()
         return redirect(url_for('budget_categories'))
+    
+    
+@app.route('/add_vendor', methods=['POST'])
+def add_vendor():
+    if request.method == 'POST':
+        
+        vendor_name = request.form['vendor_name']
+        vendor = Vendor(name=vendor_name)
+        db.session.add(vendor)
+        db.session.commit()
+        return redirect(url_for('vendors'))
 
 @app.route('/delete_budget_category/<id>', methods=['POST'])
 def delete_budget_category(id):
     db.session.execute(update(Vendor).where(Vendor.bc_id==id).values(bc_id=None))
     db.session.execute(delete(BudgetCategory).where(BudgetCategory.id==id))
     db.session.commit()
-    return {"status":'success'}
+    return {"status":'success'}
+
+@app.route('/delete_vendor/<id>', methods=['POST'])
+def delete_vendor(id):
+    db.session.execute(delete(Vendor).where(Vendor.id==id))
+    db.session.commit()
+    return {"status":'success'}
+
+@app.route('/get_month_line_items/<month>/<year>', methods=['POST'])
+def get_month_line_items(month:str, year:str):
+    year = int(year)
+    month_int = datetime.datetime.strptime(month, "%b").month
+    first_day_timestamp, last_day_timestamp = get_month_timestamps(month_int, year)
+    month_line_items = db.session.execute(select(LineItem).where(LineItem.date > first_day_timestamp, LineItem.date < last_day_timestamp)).all()
+    line_item_list = []
+    for li in month_line_items:
+        li = li[0]
+        dt_object = datetime.datetime.fromtimestamp(li.date)
+        date_string = dt_object.strftime('%Y-%m-%d')
+        
+        line_item_data = {
+            'id':li.id,
+            'parent_line_item_id':li.parent_line_item_id,
+            'amount':li.amount,
+            'currency_type':li.currency_type,
+            'vendor':li.get_vendor()[0].name,
+            'date':date_string,
+            'confirmation_code':li.confirmation_code,
+            'note':li.note
+        }
+        line_item_list.append(line_item_data)
+    return jsonify(line_item_list)
+
+
+