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Backend overhaul: new models, routers, schemas for shifts, business day, flags, messages, settings

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Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
This commit is contained in:
Vasileios Kousaridas
2026-04-29 12:12:05 +03:00
parent 603fd45eaa
commit defc49f84f
31 changed files with 2626 additions and 55 deletions
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local_backend/print_test.py Normal file
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"""
Printer font & symbol test script.
Usage (inside Docker): python print_test.py [IP] [PORT]
Defaults to 10.98.20.25:9100
"""
import sys
PRINTER_IP = sys.argv[1] if len(sys.argv) > 1 else "10.98.20.25"
PRINTER_PORT = int(sys.argv[2]) if len(sys.argv) > 2 else 9100
from escpos.printer import Network
def _gr(text: str) -> bytes:
return text.encode('cp737', errors='replace')
def _open():
p = Network(PRINTER_IP, PRINTER_PORT, timeout=10)
p._raw(b'\x1b\x40') # ESC @ reset
p._raw(b'\x1b\x74\x1d') # CP737 Greek code page
return p
def _t(p, text: str):
p._raw(_gr(text))
def _divider(p, char="-", width=48):
p._raw(b'\x1b\x61\x00')
_t(p, char * width + "\n")
def _center(p):
p._raw(b'\x1b\x61\x01')
def _left(p):
p._raw(b'\x1b\x61\x00')
# ── ESC ! n byte reference ──────────────────────────────────────────────────
# Bit 0 → underline (not tested, minor)
# Bit 1 → double-strike (bold)
# Bit 3 → double-height
# Bit 4 → double-width
# Bit 5 → delete-line
# Bit 7 → bold (ESC E alias in some models)
# Common combos used here:
# 0x00 = normal
# 0x08 = double-height only (48 chars wide)
# 0x10 = double-height only (alt bit) (48 chars wide)
# 0x18 = double-height + bold
# 0x20 = double-width only (24 chars wide)
# 0x30 = double-width + double-height (24 chars wide)
# 0x38 = double-width + double-height + bold
# 0x48 = double-height (bit 6 combo — some printers)
MODES = [
(0x00, "Normal (0x00)"),
(0x08, "Double-height bit3 (0x08)"),
(0x10, "Double-height bit4 (0x10)"),
(0x18, "Double-height + Bold (0x18)"),
(0x20, "Double-width (0x20)"),
(0x30, "Double-width + Double-height (0x30)"),
(0x38, "Double-width + Double-height + Bold (0x38)"),
]
# ── Section 1 — Font sizes & styles, English ───────────────────────────────
def section_english(p):
_center(p)
p._raw(b'\x1b\x21\x38')
_t(p, "=== FONT SIZES (EN) ===\n")
p._raw(b'\x1b\x21\x00')
_divider(p, "=")
for code, label in MODES:
_left(p)
_t(p, f"[{label}]\n")
p._raw(bytes([0x1b, 0x21, code]))
_t(p, "TEST PRINT Hello World Abc123\n")
p._raw(b'\x1b\x21\x00')
# bold on/off via ESC E
_t(p, " -> bold ON: ")
p._raw(b'\x1b\x45\x01')
p._raw(bytes([0x1b, 0x21, code]))
_t(p, "Bold Sample\n")
p._raw(b'\x1b\x45\x00')
p._raw(b'\x1b\x21\x00')
_t(p, "\n")
_divider(p)
p._raw(b'\n')
# ── Section 2 — Font sizes & styles, Greek ─────────────────────────────────
def section_greek(p):
_center(p)
p._raw(b'\x1b\x21\x38')
_t(p, "=== FONT SIZES (GR) ===\n")
p._raw(b'\x1b\x21\x00')
_divider(p, "=")
for code, label in MODES:
_left(p)
_t(p, f"[{label}]\n")
p._raw(bytes([0x1b, 0x21, code]))
_t(p, "ΔΟΚΙΜΑΣΤΙΚΗ ΕΚΤΥΠΩΣΗ\n")
_t(p, "δοκιμαστικη εκτυπωση\n") # lowercase
p._raw(b'\x1b\x21\x00')
p._raw(b'\x1b\x45\x01')
p._raw(bytes([0x1b, 0x21, code]))
_t(p, "Bold: Καλημερα Κοσμε\n")
p._raw(b'\x1b\x45\x00')
p._raw(b'\x1b\x21\x00')
_t(p, "\n")
_divider(p)
p._raw(b'\n')
# ── Section 3 — All printable ASCII symbols ────────────────────────────────
def section_ascii_symbols(p):
_center(p)
p._raw(b'\x1b\x21\x18') # double-height bold for header
_t(p, "=== ASCII SYMBOLS ===\n")
p._raw(b'\x1b\x21\x00')
_divider(p, "=")
_left(p)
# Printable ASCII 0x20 – 0x7E, 16 per line
chars = [chr(c) for c in range(0x20, 0x7F)]
line = ""
for i, ch in enumerate(chars):
line += ch + " "
if (i + 1) % 24 == 0:
_t(p, line + "\n")
line = ""
if line:
_t(p, line + "\n")
_t(p, "\n")
_t(p, "Notable:\n")
_t(p, " Bullets : * + - # @ ! ? > < | / \\ ^ ~ _\n")
_t(p, " Framing : [ ] { } ( ) = : ; , . \"\n")
_t(p, " Currency : $ %\n")
_divider(p)
p._raw(b'\n')
# ── Section 4 — CP737 extended chars (0x80–0xFF) ───────────────────────────
def section_extended(p):
_center(p)
p._raw(b'\x1b\x21\x18')
_t(p, "=== CP737 EXTENDED (0x80-FF) ===\n")
p._raw(b'\x1b\x21\x00')
_divider(p, "=")
_left(p)
_t(p, "Hex offset rows x16 columns\n\n")
for row in range(8): # 0x80, 0x90 ... 0xF0
base = 0x80 + row * 16
row_bytes = bytes(range(base, base + 16))
label = f"0x{base:02X}: "
p._raw(_gr(label))
p._raw(row_bytes)
p._raw(b'\n')
_t(p, "\n")
_t(p, "Key CP737 specials:\n")
specials = [
(0xB3, "─ thin horiz line"),
(0xC4, "─ double line"),
(0xBA, "│ vert line"),
(0xBB, "┐ corner"),
(0xBC, "┘ corner"),
(0xC9, "╔ corner"),
(0xCA, "╩ junction"),
(0xCB, "╦ junction"),
(0xCC, "╠ junction"),
(0xCD, "═ double horiz"),
(0xCE, "╬ cross"),
(0xC8, "╚ corner"),
(0xBB, "╗ corner"),
(0xBC, "╝ corner"),
(0xDB, "█ full block"),
(0xDC, "▄ lower block"),
(0xDF, "▀ upper block"),
(0xB0, "░ light shade"),
(0xB1, "▒ medium shade"),
(0xB2, "▓ dark shade"),
(0xF8, "° degree"),
(0xF9, "· middle dot"),
(0xFA, "· bullet dot"),
(0xFB, "√ check / tick"),
(0xFE, "■ filled square"),
]
for code, desc in specials:
row_bytes = bytes([code, 0x20]) # char + space
p._raw(row_bytes)
_t(p, f" {desc}\n")
_divider(p)
p._raw(b'\n')
# ── Section 5 — Underline ──────────────────────────────────────────────────
def section_underline(p):
_center(p)
p._raw(b'\x1b\x21\x18')
_t(p, "=== UNDERLINE TEST ===\n")
p._raw(b'\x1b\x21\x00')
_divider(p, "=")
_left(p)
# ESC - n : underline 0=off, 1=thin, 2=thick
for ul in [1, 2]:
p._raw(bytes([0x1b, 0x2d, ul]))
_t(p, f"Underline mode {ul}: TEST PRINT Abc123\n")
p._raw(b'\x1b\x2d\x00') # off
_t(p, "\n")
_divider(p)
p._raw(b'\n')
# ── Section 6 — Inverted / white-on-black ─────────────────────────────────
def section_invert(p):
_center(p)
p._raw(b'\x1b\x21\x18')
_t(p, "=== INVERT (white-on-black) ===\n")
p._raw(b'\x1b\x21\x00')
_divider(p, "=")
_left(p)
# GS B n — invert
p._raw(b'\x1d\x42\x01')
_t(p, " INVERTED TEXT SAMPLE \n")
p._raw(b'\x1d\x42\x00')
_t(p, "Normal text after invert\n")
_t(p, "\n")
_divider(p)
p._raw(b'\n')
# ── Section 7 — QR Code sample ────────────────────────────────────────────
def section_qr(p):
_center(p)
p._raw(b'\x1b\x21\x18')
_t(p, "=== QR CODE SAMPLE ===\n")
p._raw(b'\x1b\x21\x00')
_divider(p, "=")
data = b"https://pos.test"
# GS ( k — QR store data
store_len = len(data) + 3
p._raw(b'\x1d\x28\x6b' + bytes([store_len & 0xFF, (store_len >> 8) & 0xFF, 0x31, 0x50, 0x30]) + data)
# GS ( k — set size (module=6)
p._raw(b'\x1d\x28\x6b\x03\x00\x31\x43\x06')
# GS ( k — error correction level M
p._raw(b'\x1d\x28\x6b\x03\x00\x31\x45\x31')
# GS ( k — print
p._raw(b'\x1d\x28\x6b\x03\x00\x31\x51\x30')
_t(p, "\nhttps://pos.test\n\n")
_divider(p)
p._raw(b'\n')
# ── Main ───────────────────────────────────────────────────────────────────
def main():
print(f"Connecting to {PRINTER_IP}:{PRINTER_PORT} ...")
# ---- PAGE 1: English fonts ----
p = _open()
section_english(p)
p._raw(b'\n\n\n')
p.cut()
p.close()
print("Page 1 sent (English fonts)")
# ---- PAGE 2: Greek fonts ----
p = _open()
section_greek(p)
p._raw(b'\n\n\n')
p.cut()
p.close()
print("Page 2 sent (Greek fonts)")
# ---- PAGE 3: Symbols & special chars ----
p = _open()
section_ascii_symbols(p)
section_extended(p)
p._raw(b'\n\n\n')
p.cut()
p.close()
print("Page 3 sent (ASCII + CP737 extended)")
# ---- PAGE 4: Underline + Invert + QR ----
p = _open()
section_underline(p)
section_invert(p)
section_qr(p)
p._raw(b'\n\n\n')
p.cut()
p.close()
print("Page 4 sent (underline / invert / QR)")
print("Done — 4 pages printed.")
if __name__ == "__main__":
main()