changed notes process to have separate files per note

notes.nim

@@ -1,68 +1,78 @@
 import base
-import std/[os,strutils,sequtils]
+import std/[os,strutils,sequtils,times]
 
-
-const note_file = getHomeDir() & "Nextcloud/.notes.dmenu" # Putting it in Nextcloud so it can sync :-)
+const note_dir = getHomeDir() & "Nextcloud/.notes.dmenu/" # Putting it in Nextcloud so it can sync :-)
 const default_bg = white
 const default_fg = black
 
+type
+  Note =  object
+    id:   string
+    text: string
+
 proc startNotes()
+
 proc displayOptionMenu(option: string)
 
-proc readNotes(): seq[string] =
+var notes: seq[Note] = @[]
+
+proc readNotes(): seq[Note] =
+  if len(notes) == 0:
+    if existsOrCreateDir(note_dir):
+      for note_file in walkDir(note_dir):
+        try:
+          var note = Note()
+          note.id = note_file[1]
+          note.text = readFile(note_file[1])
+          notes.add(note)
+        except:
+          echo "Unable to read note : ", note_file, " : ", getCurrentExceptionMsg()
+  return notes
+
+proc removeNote(note: Note) =
   try:
-    var notes: seq[string] = @[]
-    for line in note_file.lines:
-      notes.add(line)
-    return notes
+    removeFile(note.id)
+    for idx, a_note in notes:
+      if note.id == a_note.id:
+        notes.delete(idx)
   except:
-    echo "read_notes, Can't open notes file :", getCurrentExceptionMsg()
-    return @["<empty>"]
+    echo "Unable to delete file : ", note.id, " : ", getCurrentExceptionMsg()
 
-proc writeNotes(notes: seq[string]) =
-  try:
-    let f = open(note_file, fmWrite)
-    defer: f.close()
-    for note in notes:
-      f.writeLine(note)
-  except:
-    echo "write_notes, Cannot write notes to file : ", getCurrentExceptionMsg()
+proc getNoteStrings(): seq[string] =
+  var note_list: seq[string] = @[]
+  if len(notes) == 0:
+    discard readNotes()
+  for note in notes:
+    note_list.add(note.text)
+  return note_list
 
-proc removeNote(note: string) =
-  let notes = readNotes()
-  var new_notes: seq[string] = @[]
-  for a_note in notes:
-    if note != a_note:
-      new_notes.add(a_note)
-  writeNotes(new_notes)
-
-proc writeNote(note: string) =
-  if note == "":
+proc writeNote(note: Note, is_new: bool = false) =
+  if note.text == "":
     return
   try:
-    let f = open(note_file, fmAppend)
-    defer: f.close()
-    f.writeLine(strip(note))
-  except:
-    echo "write_note, Unable to write note :", getCurrentExceptionMsg()
-
-proc replaceNote(new_note: string, old_note: string) =
-  let notes = readNotes()
-  var new_notes: seq[string] = @[]
-  for a_note in notes:
-    if old_note == a_note:
-      new_notes.add(new_note)
+    writeFile(note.id, note.text)
+    if is_new:
+      notes.add(note)
     else:
-      new_notes.add(a_note)
-  writeNotes(new_notes)
+      for idx, a_note in notes:
+        if a_note.id == note.id:
+          notes[idx].text = note.text
+  except:
+    echo "write_note, Unable to write note : ", note.id, " : ", getCurrentExceptionMsg()
 
 proc getNotes(): (Info, seq[string]) =
   var info = newInfo("Notes")
   info.selected_bg = default_bg
   info.selected_fg = default_fg
-  let notes = readNotes()
+  let notes = getNoteStrings()
   return (info,notes)
 
+proc getNote(text: string): Note =
+  for note in notes:
+    if note.text == text:
+      return note
+  return Note()
+
 proc displayDeleteConfirmationMenu(note: string) =
   var yes_no = newInfo("Confirm Delete note : " & note)
   yes_no.selected_bg = default_bg
@@ -71,10 +81,22 @@ proc displayDeleteConfirmationMenu(note: string) =
   let choice = outputData(yes_no, args)
   case choice:
     of "yes":
-      removeNote(note)
+      let rm_note = getNote(note)
+      if rm_note.text == note:
+        removeNote(rm_note)
     of "no":
       displayOptionMenu(note)
 
+proc replaceNote(new_text: string, old_text: string) =
+  for idx, note in notes:
+    if note.text == old_text:
+      var new_note = note
+      new_note.text = new_text
+      notes[idx] = new_note
+      writeNote(new_note)
+      return
+
+
 proc displayOptionMenu(option: string) =
   var select = newInfo("Note")
   select.selected_bg = default_bg
@@ -95,23 +117,30 @@ proc displayOptionMenu(option: string) =
   else:
     displayOptionMenu(option)
 
+proc newNote(text: string) =
+  var new_note = Note()
+  let note_id = times.now().format("yyyyMMddHHmmssffffff")
+  new_note.id = note_dir & note_id
+  new_note.text = text
+  writeNote(new_note, is_new = true)
+
 proc startNotes() =
-  let (info,notes) = getNotes()
+  let (info,all_notes) = getNotes()
   let all_choices = @["exit"]
-  let args = concat(notes, all_choices)
+  let args = concat(all_notes, all_choices)
   let option = outputData(info, args)
   if option in all_choices:
     case option:
       of "exit":
         return
-  if option in notes:
+  if option in all_notes:
     displayOptionMenu(option)
   elif option != "":
-    writeNote(option)
+    newNote(option)
     startNotes()
   
 proc main() =
-  echo "Note file : ", note_file
+  echo "Note dir : ", note_dir
   if not dmenu and not rofi:
     echo "Can only be run in dmenu or rofi mode. Exiting..."
     return