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# sb-builder - Dashboard tab
# Copyright (C) 2026 Danilo M. <danix@danix.xyz>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2 as
# published by the Free Software Foundation.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
"""Dashboard tab: KPI tiles, slackrepo results bar, recent jobs, from stats and jobs."""
import html
import time
from PyQt6.QtCore import QEvent, QRectF, Qt
from PyQt6.QtGui import QColor, QFont, QPainter, QPalette
from PyQt6.QtWidgets import (QFrame, QGridLayout, QHBoxLayout, QLabel, QPushButton,
QToolTip, QVBoxLayout, QWidget)
from .fmt import ICON, NA, fmt_age, fmt_bytes, fmt_duration, fmt_time, job_title
# reserved status colors (dataviz reference palette); always shown with a text label
STATUS = {"ok": "#0ca30c", "aborted": "#fab219", "bad": "#ec835a", "failed": "#d03b3b",
"killed": "#fab219", "lost": "#ec835a"}
GAP = 2 # px of surface between bar segments
def num(n):
return NA if n is None else f"{n:,}"
def muted(label):
label.setForegroundRole(QPalette.ColorRole.PlaceholderText)
return label
class Card(QFrame):
"""Rounded panel with a muted title; content goes into self.body."""
def __init__(self, title):
super().__init__(objectName="card")
self.body = QVBoxLayout(self)
self.body.setContentsMargins(16, 12, 16, 14)
self.body.addWidget(muted(QLabel(title)))
class Tile(Card):
"""Stat tile: title, one large value, a muted detail line."""
def __init__(self, title):
super().__init__(title)
self.value = QLabel(NA)
f = self.value.font()
f.setPointSizeF(f.pointSizeF() * 2.2)
f.setWeight(QFont.Weight.DemiBold)
self.value.setFont(f)
self.detail = muted(QLabel())
self.detail.setWordWrap(True)
self.body.addWidget(self.value)
self.body.addWidget(self.detail)
self.body.addStretch()
def set(self, value, detail=""):
self.value.setText(value)
self.detail.setText(detail)
class StackedBar(QWidget):
"""Horizontal part-to-whole bar; hover a segment for its label and count."""
def __init__(self):
super().__init__()
self.parts = [] # (label, count, QColor)
self.setFixedHeight(14)
def set_parts(self, parts):
self.parts = [p for p in parts if p[1]]
self.update()
def rects(self):
total = sum(c for _, c, _ in self.parts)
if not total:
return []
room = self.width() - GAP * (len(self.parts) - 1)
out, x = [], 0.0
for label, count, color in self.parts:
w = max(2.0, room * count / total)
out.append((QRectF(x, 0, w, self.height()), label, count, color))
x += w + GAP
return out
def paintEvent(self, _event):
p = QPainter(self)
p.setRenderHint(QPainter.RenderHint.Antialiasing)
p.setPen(Qt.PenStyle.NoPen)
for rect, _label, _count, color in self.rects():
p.setBrush(color)
p.drawRoundedRect(rect, 4, 4)
def event(self, e):
if e.type() == QEvent.Type.ToolTip:
hit = next((f"{label}: {count:,}" for rect, label, count, _ in self.rects()
if rect.contains(e.position())), None)
if hit:
QToolTip.showText(e.globalPosition().toPoint(), hit, self)
else:
QToolTip.hideText()
return True
return super().event(e)
class Dashboard(QWidget):
def __init__(self, parent=None):
super().__init__(parent)
self.setStyleSheet("QFrame#card { background: palette(base);"
" border: 1px solid palette(mid); border-radius: 10px; }")
self.tiles = {name: Tile(name) for name in ("Packages", "Built", "Last pull", "VM load")}
self.results = Card("slackrepo results")
self.bar = StackedBar()
self.legend = QLabel(NA)
self.legend.setTextFormat(Qt.TextFormat.RichText)
self.legend.setWordWrap(True)
self.results.body.addWidget(self.bar)
self.results.body.addWidget(self.legend)
self.results.body.addStretch()
self.orphans = Card("SBo orphans")
self.orphans.body.addWidget(muted(QLabel("coming in phase 5")))
self.orphans.body.addStretch()
self.jobs = Card("Recent jobs")
self.jobs_list = QLabel("no jobs yet")
self.jobs_list.setTextFormat(Qt.TextFormat.RichText)
self.jobs.body.addWidget(self.jobs_list)
self.jobs.body.addStretch()
self.stale = muted(QLabel())
self.refresh_btn = QPushButton("Refresh")
top = QHBoxLayout()
top.addWidget(self.stale)
top.addStretch()
top.addWidget(self.refresh_btn)
grid = QGridLayout()
grid.setSpacing(12)
for i, tile in enumerate(self.tiles.values()):
grid.addWidget(tile, 0, i)
grid.addWidget(self.results, 1, 0, 1, 3)
grid.addWidget(self.orphans, 1, 3)
grid.addWidget(self.jobs, 2, 0, 1, 4)
grid.setRowStretch(2, 1)
layout = QVBoxLayout(self)
layout.setContentsMargins(16, 12, 16, 16)
layout.addLayout(top)
layout.addLayout(grid)
def cards(self):
return [*self.tiles.values(), self.results, self.orphans, self.jobs]
def show_stats(self, s):
p, sr, sync = s.get("packages"), s.get("slackrepo"), s.get("sync") or {}
t = self.tiles
if p is None:
t["Packages"].set(NA)
else:
extra = " · ".join(f"{num(v)}\u00a0{k}" for k, v in p.items() if k != "total")
t["Packages"].set(num(p["total"]), extra)
if sr is None:
t["Built"].set(NA, "no slackrepo database")
else:
never = "" if p is None else f" · {num(p['total'] - sr['built'])} never built"
t["Built"].set(num(sr["built"]), f"of {num(p and p['total'])}{never}")
known = [ts for ts in sync.values() if ts is not None]
t["Last pull"].set(fmt_age(min(known)) if known else NA,
" · ".join(f"{o} {fmt_duration(None if ts is None else time.time() - ts)}"
for o, ts in sync.items()))
load, disk = s.get("load"), s.get("disk_free") or {}
t["VM load"].set(NA if load is None else f"{load[0]:.2f}",
f"up {fmt_duration(s.get('uptime'))} · {fmt_bytes(disk.get('repo'))} free")
self._show_results(sr)
def _show_results(self, sr):
if sr is None:
self.bar.set_parts([])
self.legend.setText(NA)
return
gray = self.palette().color(QPalette.ColorRole.PlaceholderText) # Mid can match the background
order = sorted(sr["results"].items(),
key=lambda kv: (list(STATUS).index(kv[0]) if kv[0] in STATUS else 99, kv[0]))
self.bar.set_parts([(k, v, QColor(STATUS.get(k)) if k in STATUS else gray) for k, v in order])
self.legend.setText(" ".join(
f'<span style="color:{STATUS.get(k, gray.name())}">■</span> {html.escape(k)} {num(v)}'
for k, v in order))
def show_jobs(self, jobs):
rows = []
for j in jobs[:10]:
color = STATUS.get(j["status"])
icon = ICON.get(j["status"], "?")
if color:
icon = f'<span style="color:{color}">{icon}</span>'
dur = None if "start" not in j else j.get("end", time.time()) - j["start"]
rows.append(f"<tr><td>{icon} </td><td>{html.escape(job_title(j))} </td>"
f"<td>{j['status']} </td>"
f"<td>{fmt_time(j.get('start', j['created']))} </td>"
f"<td>{fmt_duration(dur)}</td></tr>")
self.jobs_list.setText(f"<table>{''.join(rows)}</table>" if rows else "no jobs yet")
def set_stale(self, since):
"""Grey the cards when the VM stopped answering; None clears it."""
for card in self.cards():
card.setEnabled(since is None)
self.stale.setText("" if since is None else
f"stale since {time.strftime('%H:%M', time.localtime(since))}")
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