From bff59b350439111a31d02826efc92cab4fc2d301 Mon Sep 17 00:00:00 2001
From: Benjamin Loison <benjamin_loison@users.noreply.gitea.lemnoslife.com>
Date: Wed, 21 Jun 2023 00:36:27 +0200
Subject: [PATCH] Add `bnp_pdf_statement_parser.py`

---
 bnp_pdf_statement_parser.py | 66 +++++++++++++++++++++++++++++++++++++
 1 file changed, 66 insertions(+)
 create mode 100755 bnp_pdf_statement_parser.py

diff --git a/bnp_pdf_statement_parser.py b/bnp_pdf_statement_parser.py
new file mode 100755
index 0000000..aa39ef8
--- /dev/null
+++ b/bnp_pdf_statement_parser.py
@@ -0,0 +1,66 @@
+#!/usr/bin/python3
+
+# Depends on `pdftotext`.
+
+import os, subprocess, shlex, re, config
+
+path = '/home/benjamin/Desktop/bens_folder/bazaar/documents/bnp/RLV_CHQ_{config.RLV_CHQ}'
+
+os.chdir(path)
+
+'''
+Assuming file hierarchy like:
+
+2022
+├── 20221121.pdf
+└── 20221221.pdf
+2023
+├── 20230123.pdf
+└── 20230221.pdf
+'''
+
+def execute(command):
+    return subprocess.check_output(command, shell = True).decode('utf-8')
+
+def getTextFromPdf(pdfPath):
+    pdfPath = shlex.quote(pdfPath)
+    return execute(f'pdftotext -raw {pdfPath} -')
+
+firstLineOfPaymentRegex = re.compile('\d{2}\.\d{2} \d{2}\.\d{2} \d+,\d{2}')
+endPageAfterTheFirstOneRegex = re.compile('P\. \d+/\d+')
+
+for folder in os.listdir():
+    for file in os.listdir(folder):
+        folder = '2022'
+        file = '20220321.pdf'
+        print(folder, file)
+        filePath = f'{folder}/{file}'
+        content = getTextFromPdf(filePath)
+        lines = content.splitlines()
+        started = False
+        firstPage = True
+        payment = []
+        for line in lines:
+            if not started:
+                # We are interested in the content after this line:
+                if line.startswith('SOLDE CREDITEUR AU') or (line.startswith('Date Nature des opérations Valeur Débit Crédit') and not firstPage):
+                    started = True
+                    continue
+            else:
+                # We aren't interested in the content after this line:
+                if line.startswith('BNP PARIBAS SA au capital de') or endPageAfterTheFirstOneRegex.match(line) != None:
+                    firstPage = False
+                    started = False
+                    continue
+                # We aren't interested in the content after this line
+                elif line.startswith('TOTAL DES OPERATIONS'):
+                    break
+                if firstLineOfPaymentRegex.match(line) != None:
+                    print()
+                print(line)
+        break
+    break
+
+# TODO: check year
+# TODO: debit/credit
+# TODO: amount after transaction