From 0a4fcc0869908335abdb0335a7492514368c55f3 Mon Sep 17 00:00:00 2001
From: Dita Aji Pratama <aji@cabin>
Date: Wed, 17 Aug 2022 14:09:52 +0700
Subject: [PATCH] Melon core

---
 core/melon.py | 128 ++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 128 insertions(+)
 create mode 100644 core/melon.py

diff --git a/core/melon.py b/core/melon.py
new file mode 100644
index 0000000..9b9631f
--- /dev/null
+++ b/core/melon.py
@@ -0,0 +1,128 @@
+import os
+import mysql.connector as mariadb
+import cv2
+from pyffmpeg import FFmpeg
+
+def CheckFileName(path):
+    filename, file_extension = os.path.splitext(path)
+    return filename
+
+def CheckFileType(path):
+    filename, file_extension = os.path.splitext(path)
+    return file_extension
+
+def CheckFileSize(path):
+    return os.path.getsize(path) # return in byte
+
+def CheckFileHeight(path):
+    try:
+        vid     = cv2.VideoCapture(path)
+        height  = vid.get(cv2.CAP_PROP_FRAME_HEIGHT)
+    except Exception as e:
+        height  = None
+        print('[DEBUG] Error: '+str(e))
+    return height
+
+def CheckFileWidth(path):
+    try:
+        vid     = cv2.VideoCapture(path)
+        width   = vid.get(cv2.CAP_PROP_FRAME_WIDTH)
+    except Exception as e:
+        width   = None
+        print('[DEBUG] Error: '+str(e))
+    return width
+
+def CheckDir(storage):
+    return os.path.isdir(storage)
+
+def CountDir(storage):
+    return len(os.listdir(storage))
+
+def CountDb(dbin, table, portal_field, portal_value):
+    con = mariadb.connect(**dbin)
+    cursor = con.cursor()
+    cursor.execute(f"SELECT * FROM {table} WHERE {portal_field} = {portal_value} ;")
+    result = cursor.fetchall()
+    total = len(result)
+    con.close()
+    return total
+
+def CountCompare(storage, dbin, table, portal_field, portal_value):
+    storage_count = CountDir(storage)
+    print('[DEBUG] Storage Count: '+str(storage_count))
+    record_count = CountDb(dbin, table, portal_field, portal_value)
+    print('[DEBUG] Record Count: '+str(record_count))
+    if storage_count == record_count:
+        print('[DEBUG] Sync well!')
+        return 'ok'
+    elif storage_count > record_count:
+        print('[DEBUG] New file detected!')
+        return 'new'
+    elif storage_count < record_count:
+        print('[DEBUG] Warning: Some videos is missing!')
+        return 'miss'
+    else:
+        print('[DEBUG] Unknown Error!')
+        return 'error'
+
+def CreateVideoThumbnail(inf, outf):
+    FFmpeg().convert(inf, outf)
+
+def CleanVideoThumbnail(storage, temp):
+    pass
+
+def NewFileDetector(storage, dbin, table, temp):
+    # cek for list dari directori
+    new_file_count  = 0
+    new_file        = []
+    content         = os.listdir(storage)
+    for row1 in content:
+        con     = mariadb.connect(**dbin)
+        cursor  = con.cursor()
+        cursor.execute("SELECT * FROM `"+table+"` WHERE id = '"+row1+"';")
+        result      = cursor.fetchall()
+        detected    = len(result)
+        con.close()
+        if detected == 0:
+            new_file_count += 1
+            name        = CheckFileName(row1)
+            type        = CheckFileType(row1)
+            size        = CheckFileSize(storage+row1)
+            height      = CheckFileHeight(storage+row1)
+            width       = CheckFileWidth(storage+row1)
+            name_esc    = name.replace(' ','\ ')
+            in_file     = f'{storage}{name_esc}{type}'
+            tempthumb   = f'{temp}{name_esc}{type}.jpg'
+            info        = {
+                "file"     : row1,
+                "name"     : name,
+                "type"     : type,
+                "size"     : size,
+                "height"   : height,
+                "width"    : width,
+                "thumbnail": tempthumb
+            }
+            try:
+                CreateVideoThumbnail(in_file, tempthumb)
+                print(f'[DEBUG] FFmpeg is running')
+                print(f'[DEBUG] In File: {in_file}')
+                print(f'[DEBUG] Out File: {tempthumb}')
+            except Exception as e:
+                print(f'[DEBUG] ERROR: {e}')
+            new_file.append(info)
+
+    result = {
+        "count" : new_file_count,
+        "info"  : new_file
+    }
+    return result
+
+def MissingFileDetector(storage, dbin, table):
+    # cek for list dari database
+    pass
+
+def NewFileInsertData():
+    pass
+
+def MissingFileRemoveData():
+    pass