From bcb01a2673c9d919dfc5f8f7adcc01e4aff799b0 Mon Sep 17 00:00:00 2001
From: MatMasIt <34745996+MatMasIt@users.noreply.github.com>
Date: Thu, 17 Jun 2021 01:24:59 +0200
Subject: [PATCH] Add files via upload

---
 windowsAgent/source/biblio.ini |  9 ++++
 windowsAgent/source/do.py      | 84 ++++++++++++++++++++++++++++++
 windowsAgent/source/storage.py | 95 ++++++++++++++++++++++++++++++++++
 3 files changed, 188 insertions(+)
 create mode 100644 windowsAgent/source/biblio.ini
 create mode 100644 windowsAgent/source/do.py
 create mode 100644 windowsAgent/source/storage.py

diff --git a/windowsAgent/source/biblio.ini b/windowsAgent/source/biblio.ini
new file mode 100644
index 0000000..71c7067
--- /dev/null
+++ b/windowsAgent/source/biblio.ini
@@ -0,0 +1,9 @@
+[DATA]
+databasePath=C:\Users\admin\Desktop\libri.xbb
+csvPath=C:\Users\admin\Documents\libri.csv
+serverUrl=http://192.168.1.107:5555/up.php
+authCode=xmeQCwqrQcSQ7TQX2Yyw
+significance=3
+verbose=1
+updateUserWait=100
+chunkSize=50
diff --git a/windowsAgent/source/do.py b/windowsAgent/source/do.py
new file mode 100644
index 0000000..cc5635c
--- /dev/null
+++ b/windowsAgent/source/do.py
@@ -0,0 +1,84 @@
+import storage
+import pymsgbox, os, time, requests, uuid, configparser
+config = configparser.ConfigParser()
+config.read('biblio.ini')
+path=config["DATA"]["databasePath"]
+csvPath=config["DATA"]["csvPath"]
+serverurl=config["DATA"]["serverUrl"]
+auth=config["DATA"]["authCode"]
+significance=int(config["DATA"]["significance"])
+verbose=bool(config["DATA"]["verbose"])
+upwait=int(config["DATA"]["updateUserWait"])
+chunkRowNum=int(config["DATA"]["chunkSize"])
+def vprint(data):
+    global verbose
+    if verbose:
+        print(data)
+def upload(csvPath):
+    global serverurl
+    global auth
+    vprint("Generating nonce uuid")
+    uid=str(uuid.uuid4())
+    data=auth+"\n"+uid+"\nBEGIN"
+    requests.post(serverurl, data=data)
+    vprint("Sent BEGIN")
+    accumulator=""
+    index=0
+    for line in open(csvPath):
+        if index==0:
+            data=auth+"\n"+uid+"\nWRITE\n"
+            accumulator=data
+        accumulator+=line
+        index+=1
+        if index>chunkRowNum:
+            vprint("Sent WRITE")
+            requests.post(serverurl, data=accumulator)
+            index=0
+    requests.post(serverurl, data=accumulator)
+    vprint("Sent WRITE")
+    data=auth+"\n"+uid+"\nCONCLUDE"
+    requests.post(serverurl, data=data)
+    vprint("Sent CONCLUDE")
+            
+if not storage.exists("lastUpdate"):
+    vprint("Last database update record has been initialized")
+    storage.save("lastUpdate",0)
+if not storage.exists("updateTick"):
+    vprint("Update tick record has been initialized")
+    storage.save("updateTick",0)
+if not storage.exists("lastCSVUpdate"):
+    vprint("Last csv upsate record has been initialized")
+    storage.save("lastCSVUpdate",0)
+
+while True:
+    vprint("Main loop entered")
+    try:
+        vprint("In try-catch wrapper")
+        if storage.load("lastUpdate")<os.path.getmtime(path):
+            vprint("The database file has been updated since the last recorded time")
+            storage.save("lastUpdate",os.path.getmtime(path))
+            vprint("Updating the last recorded time accordingly")
+            i=storage.load("updateTick")
+            vprint("Reading tick register: "+str(i))
+            if i>significance:
+                vprint("The counter has overflowed the significance threshold")
+                storage.save("updateTick",0)
+                vprint("Resetting the counter to 0 accordingly")
+                vprint("Displaying update dialog")
+                pymsgbox.alert('Il catalogo dei libri è stato aggiornato.\nSi prega di cliccare File > Esporta Archivio > Esporta > Sì', 'Catalogo aggiornato')
+                vprint("Dialog displayed, waiting "+str(upwait)+"s")
+                time.sleep(upwait)
+                vprint("Wait expired")
+                if storage.load("lastCSVUpdate")<os.path.getmtime(csvPath):
+                    vprint("Csv has been updated, good librarian!")
+                    storage.save("lastCSVUpdate",os.path.getmtime(csvPath))
+                    vprint("Updating the last recorded time accordingly")
+                    vprint("Beginning upload")
+                    upload(csvPath)#maybe check if export has been varied?
+                
+            else:
+                storage.save("updateTick",i+1)
+    except Exception as e:
+        vprint("OOPS! :"+str(e))
+        time.sleep(5)
+    time.sleep(30)
diff --git a/windowsAgent/source/storage.py b/windowsAgent/source/storage.py
new file mode 100644
index 0000000..f10c917
--- /dev/null
+++ b/windowsAgent/source/storage.py
@@ -0,0 +1,95 @@
+from pathlib import Path
+import json, os
+
+loadCache = {}
+
+
+class CorruptDataException(Exception):
+    pass
+
+
+def flushLoadCache():
+    loadCache = {}
+
+
+class AbsentRecordException(Exception):
+    pass
+
+
+def exists(name, saveSpace="Default"):
+    f = Path("data/storage/" + saveSpace + "/" + name + ".json")
+    return f.is_file()
+
+
+def delete(name, saveSpace="Default", silent=False):
+    if exists(name, saveSpace):
+        os.unlink("data/storage/" + saveSpace + "/" + name + ".json")
+    else:
+        if not silent:
+            raise AbsentRecordException("Record " + name +
+                                        " not found in savespace " + saveSpace)
+
+
+def commitToDisk(name=False, Savespace=False):
+    for ISaveSpace in loadCache.keys():
+        if Savespace != False:
+            if ISaveSpace != Savespace:
+                continue
+        for Iname in loadCache[ISaveSpace].keys():
+            if name != False:
+                if Iname != name:
+                    continue
+            save(Iname, loadCache[ISaveSpace][Iname], ISaveSpace)
+
+
+def refreshFromDisk(name=False, Savespace=False):
+    for ISaveSpace in loadCache.keys():
+        if Savespace != False:
+            if ISaveSpace != Savespace:
+                continue
+        for Iname in loadCache[ISaveSpace].keys():
+            if name != False:
+                if Iname != name:
+                    continue
+            load(Iname, ISaveSpace, True)
+
+
+def save(name, value, saveSpace="Default", useCacheOnly=False):
+    if saveSpace in loadCache.keys():
+        if name in loadCache[saveSpace].keys():
+            loadCache[saveSpace][name] = value
+    if useCacheOnly:
+        if saveSpace not in loadCache.keys():
+            loadCache[saveSpace] = {}
+        if name not in loadCache[saveSpace].keys():
+            loadCache[saveSpace][name] = value
+    else:
+        Path("data/storage/" + saveSpace).mkdir(parents=True, exist_ok=True)
+        with open("data/storage/" + saveSpace + "/" + name + ".json",
+                  "w+") as file:
+            file.write(json.dumps(value))
+
+
+def load(name, saveSpace="Default", cached=False):
+    if cached and saveSpace in loadCache.keys():
+        if name in loadCache[saveSpace].keys():
+            return loadCache[saveSpace][name]
+    try:
+        with open("data/storage/" + saveSpace + "/" + name + ".json",
+                  "r") as file:
+            try:
+                res = json.loads(file.read())
+                if cached:
+                    if saveSpace not in loadCache.keys():
+                        loadCache[saveSpace] = {}
+                    if name not in loadCache[saveSpace].keys():
+                        loadCache[saveSpace][name] = res
+                return res
+
+            except json.decoder.JSONDecodeError as e:
+                raise CorruptDataException("Data inside " + name +
+                                           " (savespace " + saveSpace +
+                                           ") is not valid Json")
+    except FileNotFoundError as e:
+        raise AbsentRecordException("Record " + name +
+                                    " not found in savespace " + saveSpace)