perfect-postcode/server-rs/src/routes/features.rs
2026-02-01 21:00:59 +00:00

136 lines
4.2 KiB
Rust

use std::sync::Arc;
use axum::response::Json;
use serde::Serialize;
use tracing::info;
use crate::data::Histogram;
use crate::features::{ENUM_FEATURE_GROUPS, FEATURE_GROUPS};
use crate::state::AppState;
#[derive(Serialize)]
#[serde(tag = "type")]
pub enum FeatureInfo {
#[serde(rename = "numeric")]
Numeric {
name: String,
min: f32,
max: f32,
step: f32,
histogram: Histogram,
description: &'static str,
detail: &'static str,
source: &'static str,
},
#[serde(rename = "enum")]
Enum {
name: String,
values: Vec<String>,
description: &'static str,
detail: &'static str,
source: &'static str,
},
}
#[derive(Serialize)]
pub struct FeatureGroupResponse {
name: String,
features: Vec<FeatureInfo>,
}
#[derive(Serialize)]
pub struct FeaturesResponse {
groups: Vec<FeatureGroupResponse>,
}
pub async fn get_features(state: Arc<AppState>) -> Json<FeaturesResponse> {
// Collect all group names in order, merging numeric and enum groups with the same name
let mut group_names: Vec<&str> = Vec::new();
for feature_group in FEATURE_GROUPS {
if !group_names.contains(&feature_group.name) {
group_names.push(feature_group.name);
}
}
for enum_group in ENUM_FEATURE_GROUPS {
if !group_names.contains(&enum_group.name) {
group_names.push(enum_group.name);
}
}
let mut groups: Vec<FeatureGroupResponse> = Vec::new();
for &group_name in &group_names {
let mut features: Vec<FeatureInfo> = Vec::new();
// Add numeric features for this group
for feature_group in FEATURE_GROUPS {
if feature_group.name == group_name {
for feature_config in feature_group.features {
if let Some(feat_idx) =
state.data.feature_names.iter().position(|feat_name| feat_name == feature_config.name)
{
let stats = &state.data.feature_stats[feat_idx];
features.push(FeatureInfo::Numeric {
name: feature_config.name.to_string(),
min: stats.slider_min,
max: stats.slider_max,
step: feature_config.step,
histogram: stats.histogram.clone(),
description: feature_config.description,
detail: feature_config.detail,
source: feature_config.source,
});
}
}
}
}
// Add enum features for this group
for enum_group in ENUM_FEATURE_GROUPS {
if enum_group.name == group_name {
for enum_config in enum_group.features {
if let Some(enum_feature) = state
.data
.enum_features
.iter()
.find(|enum_feat| enum_feat.name == enum_config.name)
{
features.push(FeatureInfo::Enum {
name: enum_config.name.to_string(),
values: enum_feature.values.clone(),
description: enum_config.description,
detail: enum_config.detail,
source: enum_config.source,
});
}
}
}
}
if !features.is_empty() {
groups.push(FeatureGroupResponse {
name: group_name.to_string(),
features,
});
}
}
let num_numeric: usize = groups
.iter()
.flat_map(|group| &group.features)
.filter(|feature| matches!(feature, FeatureInfo::Numeric { .. }))
.count();
let num_enum: usize = groups
.iter()
.flat_map(|group| &group.features)
.filter(|feature| matches!(feature, FeatureInfo::Enum { .. }))
.count();
info!(
numeric = num_numeric,
enums = num_enum,
groups = groups.len(),
"GET /api/features"
);
Json(FeaturesResponse { groups })
}