Admin/Subsection: transform multilinestring from felt api response

src/subsections/components/utils/multilinestringToLinestring.ts

@@ -0,0 +1,21 @@
+export const multilinestringToLinestring = (multi: Array<Array<[number, number]>>) => {
+  let linestring = multi[0]
+  if (multi.length < 2) {
+    return linestring
+  }
+  for (let i = 1; i < multi.length; i++) {
+    {
+      if (
+        // @ts-expect-error
+        multi[i][0][0] === multi[i - 1][multi[i - 1].length - 1][0] &&
+        // @ts-expect-error
+        multi[i][0][1] === multi[i - 1][multi[i - 1].length - 1][1]
+      ) {
+        linestring?.pop()
+        // @ts-expect-error
+        linestring = linestring?.concat(multi[i])
+      }
+    }
+    return linestring
+  }
+}

src/subsections/mutations/updateSubsectionsWithFeltData.ts

@@ -3,6 +3,7 @@ import db from "db"
 import { z } from "zod"
 import { SubsectionWithPosition } from "../queries/getSubsection"
 import { FeltApiResponseSchema, SubsectionSchema } from "../schema"
+import { multilinestringToLinestring } from "../components/utils/multilinestringToLinestring"
 
 const UpdateSubsectionsWithFeltDataSchema = z.object({
   subsections: z.array(
@@ -47,15 +48,15 @@ export default resolver.pipe(
         (s) => s?.properties["ts_pa_id"] === tsSubsection.slug,
       )
       // if ts-subsection-slug matches one of the felt-subsection-id, update db subsection, fields: start, end, geometry
-      if (matchingFeltSubsection) {
+      if (matchingFeltSubsection && matchingFeltSubsection.geometry.type === "MultiLineString") {
         const updatedSubsection = await db.subsection.update({
           where: { id: tsSubsection.id },
           data: {
-            // todo multilinestring problem
-            // felt data is a multilinestring, but we need a inestring - so we take the first linestring
-            // this only works when we use the line tool in felt, if we use the Route tool, we only save the first part of the geometry here
+            // Felt data is a multilinestring, but we need a linestring
+            // in Felt we get multiple lines, if we use the Route tool
+            // so we take the first linestring or we concat the multiple lines (in case last point of line a matches first point of line b)
             geometry: matchingFeltSubsection.geometry
-              ? matchingFeltSubsection?.geometry["coordinates"][0]
+              ? multilinestringToLinestring(matchingFeltSubsection?.geometry["coordinates"])
               : tsSubsection.geometry,
 
             start: matchingFeltSubsection.properties

src/subsections/schema.ts

@@ -29,11 +29,17 @@ export const SubsectionsFormSchema = z.object({
 
 export type TSubsectionSchema = Prettify<z.infer<typeof SubsectionSchema>>
 
-const CoordinatesSchema = z.array(z.array(z.array(z.number()).min(2)))
-
 const GeometrySchema = z.object({
-  type: z.literal("MultiLineString"),
-  coordinates: CoordinatesSchema,
+  type: z.union([
+    z.literal("Point"),
+    z.literal("MultiPoint"),
+    z.literal("LineString"),
+    z.literal("MultiLineString"),
+    z.literal("Polygon"),
+    z.literal("MultiPolygon"),
+    z.literal("GeometryCollection"),
+  ]),
+  coordinates: z.array(z.any()),
 })
 
 const PropertiesSchema = z.record(z.any())