From c897a3b07c6b352b2a1ca21db0b05dc51faddb4b Mon Sep 17 00:00:00 2001
From: severak <strajt@dalten.cz>
Date: Sun, 2 Jan 2022 21:42:08 +0100
Subject: [PATCH] First version of command line app.

---
 kyselo.nim | 50 ++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 50 insertions(+)
 create mode 100644 kyselo.nim

diff --git a/kyselo.nim b/kyselo.nim
new file mode 100644
index 0000000..2426f6a
--- /dev/null
+++ b/kyselo.nim
@@ -0,0 +1,50 @@
+# Kyselo companion tool
+import std/parseopt
+import std/json
+import std/httpclient
+import std/os
+import std/uri
+
+proc writeHelp() =
+  echo """Kyselo companion v 0.1
+
+possible commands:
+
+-D, --download-images-for=backup-someone.jsonl
+"""
+  quit(QuitSuccess)
+
+proc writeVersion() =
+  echo "0.1"
+  quit(QuitSuccess)
+  
+proc downloadImages(backupFile : string) = 
+  var client = newHttpClient()
+  echo "Backing up images from ", backupFile, "..."
+  for line in backupFile.lines:
+    let post = parseJson(line)
+    try:
+      let url = post["url"].getStr()
+      let target = getCurrentDir() & url
+      if not fileExists(target):
+        echo "downloading ", url
+        var (dir, name, ext) = splitFile(target)
+        createDir(dir)
+        let imgUri = parseUri("https://kyselo.eu") / url
+        client.downloadFile(imgUri, target)
+    except KeyError:
+      discard
+      ## neřešíme
+  quit(QuitSuccess)
+
+for kind, key, val in getopt():
+  case kind
+  of cmdLongOption, cmdShortOption:
+    case key
+    of "help", "h": writeHelp()
+    of "version", "v": writeVersion()
+    of "download-images-for", "D": downloadImages(val)
+  of cmdArgument: discard
+  of cmdEnd: assert(false) # cannot happen
+
+writeHelp()
\ No newline at end of file