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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,96 @@ | ||
| import Bounds from 'interfaces/Bounds'; | ||
| import HttpError from 'utils/HttpError'; | ||
| import Session from './Session'; | ||
|
|
||
| export default class GisRepository { | ||
| session: Session; | ||
|
|
||
| constructor(session: Session) { | ||
| this.session = session; | ||
| } | ||
|
|
||
| async getNearest(params): Promise<unknown> { | ||
| let { zoom_level, lng, lat } = params; | ||
| zoom_level = parseInt(zoom_level); | ||
| lng = parseFloat(lng); | ||
| lat = parseFloat(lat); | ||
| console.log('lng:', lng); | ||
| let sql; | ||
| if (zoom_level <= 11) { | ||
| sql = ` | ||
| SELECT | ||
| ST_ASGeoJson(centroid) | ||
| FROM | ||
| active_tree_region | ||
| WHERE | ||
| zoom_level = ${zoom_level} | ||
| ORDER BY | ||
| active_tree_region.centroid <-> | ||
| ST_SetSRID(ST_MakePoint(${lng}, ${lat}),4326) | ||
| LIMIT 1; | ||
| `; | ||
| } else if (zoom_level < 15 && zoom_level > 11) { | ||
| sql = ` | ||
| SELECT | ||
| ST_ASGeoJson(location) | ||
| FROM | ||
| clusters | ||
| ORDER BY | ||
| location <-> | ||
| ST_SetSRID(ST_MakePoint(${lng}, ${lat}),4326) | ||
| LIMIT 1; | ||
| `; | ||
| } else if (zoom_level >= 15) { | ||
| sql = ` | ||
| WITH box AS ( | ||
| SELECT ST_Extent(ST_MakeLine(ST_Project(ST_SetSRID(ST_MakePoint(${lng}, ${lat}),4326), 10000, radians(45))::geometry, ST_Project(ST_SetSRID(ST_MakePoint(${lng}, ${lat}),4326), 10000, radians(225))::geometry)) AS geom | ||
| ) | ||
| SELECT | ||
| ST_ASGeoJson(estimated_geometric_location) | ||
| FROM | ||
| trees | ||
| ${ | ||
| params.wallet_id | ||
| ? 'join wallet.token on trees.uuid = wallet.token.capture_id::text join wallet.wallet on wallet.token.wallet_id = wallet.wallet.id ' | ||
| : '' | ||
| } | ||
| ${ | ||
| params.organization_id || params.map_name | ||
| ? 'join planter on trees.planter_id = planter.id' | ||
| : '' | ||
| } | ||
| WHERE | ||
| active = true | ||
| ${ | ||
| params.wallet_id | ||
| ? /[0-9a-f-]{36}/.test(params.wallet_id) | ||
| ? `and wallet.token.wallet_id = '${params.wallet_id}' ` | ||
| : `and wallet.wallet.name = '${params.wallet_id}'` | ||
| : '' | ||
| } | ||
| ${params.planter_id ? `and planter_id = ${params.planter_id}` : ''} | ||
| ${ | ||
| params.organization_id | ||
| ? `and planter.organization_id in ( SELECT entity_id from getEntityRelationshipChildren(${params.organization_id}))` | ||
| : '' | ||
| } | ||
| ${ | ||
| params.map_name | ||
| ? `and planter.organization_id in ( SELECT entity_id from getEntityRelationshipChildren((select id from entity where map_name = '${params.map_name}')))` | ||
| : '' | ||
| } | ||
| and estimated_geometric_location && (select geom from box) | ||
| ORDER BY | ||
| estimated_geometric_location <-> | ||
| ST_SetSRID(ST_MakePoint(${lng}, ${lat}),4326) | ||
| LIMIT 1; | ||
| `; | ||
| } | ||
| console.log('query:', sql); | ||
| const result = await this.session.getDB().raw(sql); | ||
| // {"st_asgeojson":"{\"type\":\"Point\",\"coordinates\":[39.1089215842116,-5.12839483715479]}"} | ||
| return result.rows.length > 0 | ||
| ? JSON.parse(result.rows[0].st_asgeojson) | ||
| : null; | ||
| } | ||
| } |
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