From becfd8a56d15bc30d472e08d1d94d00854c58cf7 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Fr=C3=A9d=C3=A9ric=20Rodrigo?= <fred.rodrigo@gmail.com>
Date: Tue, 1 Oct 2024 14:19:44 +0200
Subject: [PATCH] Add optional support of cargo bike exclusion and width to
 bicyle profile (#7044)

---
 CHANGELOG.md         |  1 +
 profiles/bicycle.lua | 48 ++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 49 insertions(+)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 614601a6c37..954dcc62785 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -79,6 +79,7 @@
       - ADDED: Extract prerelease/build information from package semver [#6839](https://github.com/Project-OSRM/osrm-backend/pull/6839)
     - Profiles:
       - FIXED: Bicycle and foot profiles now don't route on proposed ways [#6615](https://github.com/Project-OSRM/osrm-backend/pull/6615)
+      - ADDED: Add optional support of cargo bike exclusion and width to bicyle profile [#7044](https://github.com/Project-OSRM/osrm-backend/pull/7044)
     - Routing:
       - FIXED: Fix adding traffic signal penalties during compression [#6419](https://github.com/Project-OSRM/osrm-backend/pull/6419)
       - FIXED: Correctly handle compressed traffic signals. [#6724](https://github.com/Project-OSRM/osrm-backend/pull/6724)
diff --git a/profiles/bicycle.lua b/profiles/bicycle.lua
index 19202768ec2..2c701e218b3 100644
--- a/profiles/bicycle.lua
+++ b/profiles/bicycle.lua
@@ -35,6 +35,10 @@ function setup()
     turn_bias                 = 1.4,
     use_public_transport      = true,
 
+    -- Exclude narrow ways, in particular to route with cargo bike
+    width                     = nil, -- Cargo bike could 0.5 width, in meters
+    exclude_cargo_bike        = false,
+
     allowed_start_modes = Set {
       mode.cycling,
       mode.pushing_bike
@@ -243,6 +247,27 @@ function process_node(profile, node, result)
     end
   end
 
+  if profile.exclude_cargo_bike then
+    local cargo_bike = node:get_value_by_key("cargo_bike")
+    if cargo_bike and cargo_bike == "no" then
+      result.barrier = true
+    end
+  end
+
+  -- width
+  if profile.width then
+    -- From barrier=cycle_barrier or other barriers
+    local maxwidth_physical = node:get_value_by_key("maxwidth:physical")
+    local maxwidth_physical_meter = maxwidth_physical and Measure.parse_value_meters(maxwidth_physical) or 99
+    local opening = node:get_value_by_key("opening")
+    local opening_meter = opening and Measure.parse_value_meters(opening) or 99
+    local width_meter = math.min(maxwidth_physical_meter, opening_meter)
+
+    if width_meter and width_meter < profile.width then
+      result.barrier = true
+    end
+  end
+
   -- check if node is a traffic light
   result.traffic_lights = TrafficSignal.get_value(node)
 end
@@ -299,6 +324,8 @@ function handle_bicycle_tags(profile,way,result,data)
 
   bike_push_handler(profile,way,result,data)
 
+  -- width should be after bike_push
+  width_handler(profile,way,result,data)
 
   -- maxspeed
   limit( result, data.maxspeed, data.maxspeed_forward, data.maxspeed_backward )
@@ -453,6 +480,27 @@ function cycleway_handler(profile,way,result,data)
   end
 end
 
+function width_handler(profile,way,result,data)
+  if profile.exclude_cargo_bike then
+    local cargo_bike = way:get_value_by_key("cargo_bike")
+    if cargo_bike and cargo_bike == "no" then
+      result.forward_mode = mode.inaccessible
+      result.backward_mode = mode.inaccessible
+    end
+  end
+
+  if profile.width then
+    local width = way:get_value_by_key("width")
+    if width then
+      local width_meter = Measure.parse_value_meters(width)
+      if width_meter and width_meter < profile.width then
+        result.forward_mode = mode.inaccessible
+        result.backward_mode = mode.inaccessible
+      end
+    end
+  end
+end
+
 function bike_push_handler(profile,way,result,data)
   -- pushing bikes - if no other mode found
   if result.forward_mode == mode.inaccessible or result.backward_mode == mode.inaccessible or