Add supply and customer feature (#533)

* add supply and customer feature

* Update README.md

* Update README.md

* Update README.md

gamestonk_terminal/README.md

@@ -247,6 +247,8 @@ Command|Description|Source
 `ftd`           |display fails-to-deliver data [SEC](https://www.sec.gov)
 `shortview`     |shows price vs short interest volume [Stockgrid](https://stockgrid.io)
 `darkpos`       |net short vs position [Stockgrid](https://stockgrid.io)
+`supplier`      |list of suppliers [csimarket](https://csimarket.com)
+`customer`      |list of customers [csimarket](https://csimarket.com)
 
  
 

gamestonk_terminal/due_diligence/README.md

@@ -34,7 +34,10 @@ This menu aims to help in due-diligence of a pre-loaded stock, and the usage of
   * shows price vs short interest volume [Stockgrid]
 * [darkpos](#darkpos)
   * net short vs position [Stockgrid]
-
+* [supplier](#supplier)
+  * list of suppliers [csimarket]
+* [customer](#customer)
+  * list of customers [csimarket]
 
 ## news <a name="news"></a>
 
@@ -235,3 +238,23 @@ Shows Net Short Vol. vs Position. [Source: Stockgrid]
 <img width="958" alt="darkpos_raw" src="https://user-images.githubusercontent.com/25267873/122646989-ee758980-d119-11eb-9f67-f51f0b75c49d.png">
 
 
+## supplier <a name="supplier"></a>
+
+```text
+usage: supplier
+```
+
+List of suppliers from ticker provided. [Source: CSIMarket]
+
+<img width="974" alt="supplier" src="https://user-images.githubusercontent.com/25267873/124523361-b98e5580-ddee-11eb-94dc-08e4df1b17c0.png">
+
+
+## customer <a name="customer"></a>
+
+```text
+usage: customer
+```
+
+List of customer from ticker provided. [Source: CSIMarket]
+
+<img width="980" alt="customer" src="https://user-images.githubusercontent.com/25267873/124523360-b85d2880-ddee-11eb-8413-836de13d13ce.png">

gamestonk_terminal/due_diligence/csimarket_view.py

@@ -0,0 +1,92 @@
+"""Stockgrid DD View"""
+__docformat__ = "numpy"
+
+import argparse
+from typing import List
+from bs4 import BeautifulSoup
+import requests
+from gamestonk_terminal.helper_funcs import (
+    parse_known_args_and_warn,
+)
+
+
+def suppliers(ticker: str, other_args: List[str]):
+    """Print suppliers from ticker provided
+
+    Parameters
+    ----------
+    ticker: str
+        Ticker to select suppliers from
+    other_args : List[str]
+        Argparse arguments
+
+    """
+    parser = argparse.ArgumentParser(
+        prog="supplier",
+        add_help=False,
+        description="List of suppliers from ticker provided. [Source: CSIMarket]",
+    )
+    try:
+        ns_parser = parse_known_args_and_warn(parser, other_args)
+        if not ns_parser:
+            return
+
+        url_supply_chain = f"https://csimarket.com/stocks/competitionNO3.php?supply&code={ticker.upper()}"
+        text_supplier_chain = BeautifulSoup(requests.get(url_supply_chain).text, "lxml")
+
+        l_supplier = list()
+        for supplier in text_supplier_chain.findAll(
+            "td", {"class": "plavat svjetlirub dae al"}
+        ):
+            l_supplier.append(supplier.text)
+
+        if l_supplier:
+            print("List of Suppliers: " + ", ".join(l_supplier) + "\n")
+        else:
+            print("No suppliers found.\n")
+
+    except Exception as e:
+        print(e, "\n")
+
+
+def customers(ticker: str, other_args: List[str]):
+    """Print customers from ticker provided
+
+    Parameters
+    ----------
+    ticker: str
+        Ticker to select customers from
+    other_args : List[str]
+        Argparse arguments
+
+    """
+    parser = argparse.ArgumentParser(
+        prog="customer",
+        add_help=False,
+        description="List of customers from ticker provided. [Source: CSIMarket]",
+    )
+    try:
+        ns_parser = parse_known_args_and_warn(parser, other_args)
+        if not ns_parser:
+            return
+
+        url_customer_chain = (
+            f"https://csimarket.com/stocks/custexNO.php?markets&code={ticker.upper()}"
+        )
+        text_customer_chain = BeautifulSoup(
+            requests.get(url_customer_chain).text, "lxml"
+        )
+
+        l_customer = list()
+        for customer in text_customer_chain.findAll(
+            "td", {"class": "plava svjetlirub"}
+        ):
+            l_customer.append(customer.text)
+
+        if l_customer:
+            print("List of Customers: " + ", ".join(l_customer) + "\n")
+        else:
+            print("No customers found.\n")
+
+    except Exception as e:
+        print(e, "\n")

gamestonk_terminal/due_diligence/dd_controller.py

@@ -18,6 +18,7 @@ from gamestonk_terminal.due_diligence import finra_view
 from gamestonk_terminal.due_diligence import sec_view
 from gamestonk_terminal.due_diligence import stockgrid_dd_view as sg_view
 from gamestonk_terminal.due_diligence import finnhub_view
+from gamestonk_terminal.due_diligence import csimarket_view
 from gamestonk_terminal import feature_flags as gtff
 from gamestonk_terminal.helper_funcs import get_flair
 from gamestonk_terminal.menu import session
@@ -49,6 +50,8 @@ class DueDiligenceController:
         "ftd",
         "shortview",
         "darkpos",
+        "supplier",
+        "customer",
     ]
 
     def __init__(self, ticker: str, start: str, interval: str, stock: DataFrame):
@@ -120,6 +123,8 @@ class DueDiligenceController:
         print("   ftd           fails-to-deliver data [SEC]")
         print("   shortview     price vs short interest volume [Stockgrid.io]")
         print("   darkpos       net short vs position [Stockgrid.io]")
+        print("   supplier      list of suppliers [csimarket]")
+        print("   customer      list of customers [csimarket]")
         print("")
 
     def switch(self, an_input: str):
@@ -234,6 +239,14 @@ class DueDiligenceController:
         """Process darkpos command"""
         sg_view.darkpos(self.ticker, other_args)
 
+    def call_supplier(self, other_args: List[str]):
+        """Process supplier command"""
+        csimarket_view.suppliers(self.ticker, other_args)
+
+    def call_customer(self, other_args: List[str]):
+        """Process customer command"""
+        csimarket_view.customers(self.ticker, other_args)
+
 
 def menu(ticker: str, start: str, interval: str, stock: DataFrame):
     """Due Diligence Menu