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fb8fccc | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 | //! Public dataset ids and generator dispatch for delivery demos.
//!
//! City-specific modules only contain depots and visit groups. This file turns
//! those static fixtures into normalized `Plan` values with vehicles, delivery
//! ids, and deterministic service windows.
use std::str::FromStr;
use rand::rngs::StdRng;
use rand::{RngExt, SeedableRng};
use super::types::{LocationData, VEHICLE_NAMES};
use super::{firenze, hartford, philadelphia};
use crate::domain::{Delivery, Plan, Vehicle};
#[derive(Debug, Clone, Copy)]
pub enum DemoData {
Philadelphia,
Hartford,
Firenze,
}
impl DemoData {
pub fn id(self) -> &'static str {
match self {
DemoData::Philadelphia => "PHILADELPHIA",
DemoData::Hartford => "HARTFORD",
DemoData::Firenze => "FIRENZE",
}
}
pub fn label(self) -> &'static str {
match self {
DemoData::Philadelphia => "Philadelphia",
DemoData::Hartford => "Hartford",
DemoData::Firenze => "Firenze",
}
}
}
impl FromStr for DemoData {
type Err = ();
fn from_str(s: &str) -> Result<Self, Self::Err> {
match s.trim().to_uppercase().as_str() {
"PHILADELPHIA" => Ok(DemoData::Philadelphia),
"HARTFORD" => Ok(DemoData::Hartford),
"FIRENZE" => Ok(DemoData::Firenze),
_ => Err(()),
}
}
}
pub fn generate(demo: DemoData) -> Plan {
match demo {
DemoData::Philadelphia => generate_demo_data(
demo,
0,
philadelphia::DEPOTS,
philadelphia::VISIT_GROUPS,
6 * 3600,
36,
48,
),
DemoData::Hartford => generate_demo_data(
demo,
1,
hartford::DEPOTS,
hartford::VISIT_GROUPS,
6 * 3600,
24,
34,
),
DemoData::Firenze => generate_demo_data(
demo,
2,
firenze::DEPOTS,
firenze::VISIT_GROUPS,
6 * 3600,
38,
52,
),
}
}
/// Builds one city plan from static stops and deterministic vehicle settings.
fn generate_demo_data(
demo: DemoData,
seed: u64,
depots: &[LocationData],
stop_groups: &[&[LocationData]],
departure_time: i64,
min_capacity: i32,
max_capacity: i32,
) -> Plan {
let mut rng = StdRng::seed_from_u64(seed);
let vehicles = depots
.iter()
.enumerate()
.map(|(idx, depot)| {
Vehicle::new(
idx,
VEHICLE_NAMES[idx % VEHICLE_NAMES.len()],
rng.random_range(min_capacity..=max_capacity),
depot.lat,
depot.lng,
departure_time,
)
})
.collect::<Vec<_>>();
let deliveries = stop_groups
.iter()
.flat_map(|stops| stops.iter())
.enumerate()
.map(|(idx, location)| {
let (kind, min_start_time, max_end_time, demand_range, service_range) =
location.customer_type.profile();
Delivery::new(
idx,
location.name,
kind,
(location.lat, location.lng),
rng.random_range(demand_range.0..=demand_range.1),
(min_start_time, max_end_time),
rng.random_range(service_range.0..=service_range.1),
)
})
.collect::<Vec<_>>();
Plan::new(demo.label(), deliveries, vehicles)
}
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