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CSH2 Web Analytics Dashboard — DELPHI
Main entry point with multi-page navigation
"""
import streamlit as st
import base64
from pathlib import Path
st.set_page_config(
page_title="CSH2 // DELPHI",
page_icon="⚙️",
layout="wide",
initial_sidebar_state="expanded",
)
from ui.styles import inject_custom_css
from core.db_connector import get_db_connector
from ui.components import system_status_footer
# Inject HUD theme CSS
inject_custom_css()
# Initialize DB connection (cached as singleton)
db = get_db_connector()
# Store DB connector in session state for access from pages
if 'db' not in st.session_state:
st.session_state.db = db
@st.cache_data
def _get_logo_base64():
"""Load logo and encode as base64 for inline display"""
logo_path = Path(__file__).parent / "assets" / "csh2_logo.jpeg"
if not logo_path.exists():
return None
with open(logo_path, "rb") as f:
return base64.b64encode(f.read()).decode()
@st.cache_data(ttl=3600)
def _cached_time_range():
"""Cache the data time range (quasi-static, 1hr TTL)"""
_db = get_db_connector()
return _db.get_time_range()
# Sidebar branding
with st.sidebar:
# Logo with CSS filter for dark background
logo_b64 = _get_logo_base64()
if logo_b64:
st.markdown(f"""
<div style="text-align: center; margin-bottom: 0.5rem; padding-top: 0.5rem;">
<img src="data:image/jpeg;base64,{logo_b64}"
style="width: 120px; filter: invert(0.85) sepia(0.3) saturate(2) hue-rotate(15deg) brightness(1.1);" />
</div>
""", unsafe_allow_html=True)
st.markdown(
'<div style="text-align: center; color: #D4A04A; font-size: 0.7rem; letter-spacing: 2px; '
'text-transform: uppercase; margin-bottom: 12px;">PUMP ANALYTICS</div>',
unsafe_allow_html=True,
)
# System status
earliest, latest = _cached_time_range()
system_status_footer(
sensor_count=len(db.tag_cache),
data_start=earliest.strftime('%Y-%m-%d') if earliest else 'N/A',
data_end=latest.strftime('%Y-%m-%d') if latest else 'N/A',
connected=True,
)
st.markdown('<div style="height: 8px;"></div>', unsafe_allow_html=True)
# Page navigation
data_explorer = st.Page("pages/1_data_explorer.py", title="Data Explorer", default=True)
pump_cycles = st.Page("pages/2_pump_cycles.py", title="Testing Cycles")
cycle_detail = st.Page("pages/3_cycle_detail.py", title="Cycle Detail")
variation_analysis = st.Page("pages/4_variation_analysis.py", title="Variation Analysis")
cycle_comparison = st.Page("pages/5_cycle_comparison.py", title="Cycle Comparison")
advanced_explorer = st.Page("pages/6_advanced_explorer.py", title="Advanced Data Explorer")
search = st.Page("pages/7_search.py", title="Search")
pg = st.navigation([data_explorer, advanced_explorer, pump_cycles, cycle_detail, variation_analysis, cycle_comparison, search])
pg.run()
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