83 lines
3.5 KiB
Python
83 lines
3.5 KiB
Python
# -*- coding: utf-8 -*-
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from flask import Flask, render_template, request, Response
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import math
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import subprocess
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app = Flask(__name__)
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def calcola(d):
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try:
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def to_m(v, u):
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val = float(v.replace(',', '.')) if v else 0
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return val / 1000 if u == "mm" else val / 100 if u == "cm" else val
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vol = to_m(d.get('a','0'), d.get('ua','m')) * to_m(d.get('l','0'), d.get('ul','m')) * to_m(d.get('p','0'), d.get('up','m'))
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peso_tot = vol * 2400
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mats = ['cem', 'sab', 'ghi']
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p = {m: float(d.get(f'p_{m}', '0').replace(',','.')) for m in mats}
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w = {m: float(d.get(f'w_{m}', '25').replace(',','.')) for m in mats}
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c = {m: float(d.get(f'c_{m}', '0').replace(',','.')) for m in mats}
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somma_p = sum(p.values())
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res = {"vol": f"{vol:.3f}", "peso": f"{peso_tot:.0f}"}
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tot_s, costo_t = 0, 0
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for m in mats:
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kg = (p[m]/somma_p)*peso_tot if somma_p > 0 else 0
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s_esatti = kg/w[m] if w[m] > 0 else 0
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res[f's_{m}'] = math.ceil(s_esatti)
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res[f'cost_{m}'] = f"{math.ceil(s_esatti)*c[m]:.2f}"
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tot_s += math.ceil(s_esatti)
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costo_t += math.ceil(s_esatti)*c[m]
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res.update({"tot_sacc": tot_s, "costo_tot": f"{costo_t:.2f}", "acqua": f"{vol * 150:.0f}"})
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v_b = float(d.get('v_bet', '160').replace(',','.'))
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n_c = max(1, math.ceil((vol*1000)/v_b)) if vol > 0 else 1
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res["n_c"] = n_c
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for m in mats:
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kg_tot = (p[m]/somma_p)*peso_tot if somma_p > 0 else 0
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res[f'bc_{m}'] = f"{(kg_tot/w[m])/n_c:.2f}"
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res["bc_aq"] = f"{(vol*150)/n_c:.2f}"
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return res
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except: return None
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@app.route('/', methods=['GET', 'POST'])
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def index():
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res = None
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msg_stampa = None
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if request.method == 'POST':
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res = calcola(request.form)
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if 'btn_stampa_cups' in request.form:
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msg_stampa = esegui_stampa_cups(request.form)
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return render_template('index.html', res=res, form=request.form, msg_stampa=msg_stampa)
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def esegui_stampa_cups(f):
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try:
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ps_content = f"""%!PS
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/Helvetica-Bold findfont 18 scalefont setfont
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100 750 moveto (REPORT TECNICO CALCOLO CEMENTO) show
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/Helvetica findfont 12 scalefont setfont
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100 720 moveto (Volume: {f.get('res_vol')} m3 | Peso: {f.get('res_peso')} Kg) show
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100 705 moveto (Costo: {f.get('res_costo_t')} Euro | Acqua: {f.get('res_aq')} L) show
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100 680 moveto (ACQUISTI:) show
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120 665 moveto (- Cemento: {f.get('res_s_cem')} | Sabbia: {f.get('res_s_sab')} | Ghiaia: {f.get('res_s_ghi')}) show
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100 640 moveto (CARICO BETONIERA ({f.get('res_nc')} carichi):) show
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120 625 moveto (- Cemento: {f.get('res_bc_cem')} | Sabbia: {f.get('res_bc_sab')} | Ghiaia: {f.get('res_bc_ghi')}) show
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100 550 moveto (Software Cemento Rev.1 | 20/01/2026) show
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showpage"""
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comando = ["docker", "exec", "-i", "cups-pdf-server", "lp", "-d", "Virtual_PDF"]
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subprocess.run(comando, input=ps_content.encode('utf-8'), capture_output=True)
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return "OK - PDF generato correttamente!"
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except Exception as e:
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return f"Errore: {str(e)}"
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@app.route('/download', methods=['POST'])
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def download():
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f = request.form
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report = f"REPORT TECNICO\nVolume: {f.get('res_vol')} m3\nCosto: {f.get('res_costo_t')} EUR"
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return Response(report, mimetype="text/plain", headers={"Content-disposition":"attachment;filename=Report.txt"})
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if __name__ == '__main__':
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app.run(host='0.0.0.0', port=5000) |