windyboyandCursor
f45a0ac898
Close Q21 into C-11 and emit day-schedule FLTR-shaped JSON for Redis, schd, and query responses. Co-authored-by: Cursor <cursoragent@cursor.com>
54 lines
2.4 KiB
Kotlin
54 lines
2.4 KiB
Kotlin
package com.gzzn.omms.msgexchange.ingress
|
||
|
||
import com.fasterxml.jackson.databind.ObjectMapper
|
||
import com.gzzn.omms.msgexchange.processing.FlightProjectionPort
|
||
import io.micronaut.http.HttpResponse
|
||
import io.micronaut.http.HttpStatus
|
||
import io.micronaut.http.MediaType
|
||
import io.micronaut.http.annotation.Controller
|
||
import io.micronaut.http.annotation.Get
|
||
import io.micronaut.http.annotation.Produces
|
||
|
||
/**
|
||
* `GET /all/flights`：从 Redis 查询投影读当前全部动态航班，不含共享航班（`US-12`、`C-11`）。
|
||
*
|
||
* 数据只从投影来，不回落 PG：查询与网页客户端必须读同一份，不然两边会看到不同的航班
|
||
* （`INV-11`）。投影读不出来就返回错误——空列表会被前端当成"现在没有航班"（`US-12` AC2）。
|
||
*
|
||
* 成功：裸 JSON 数组、不套旧系统的 `ResponseDto`；失败：503 加错误对象（`C-11`）。
|
||
* 数组元素与 `KAFKA:schd` 同形，都是日计划 `FLTR` 转成的 JSON（`C-9`、`C-11`）。
|
||
*/
|
||
@Controller("/all/flights")
|
||
class FlightQueryController(
|
||
private val projection: FlightProjectionPort,
|
||
private val mapper: ObjectMapper,
|
||
) {
|
||
private val log = org.slf4j.LoggerFactory.getLogger(FlightQueryController::class.java)
|
||
|
||
@Get
|
||
@Produces(MediaType.APPLICATION_JSON)
|
||
fun all(): HttpResponse<String> =
|
||
try {
|
||
HttpResponse.ok(mapper.writeValueAsString(nonSharedFlights()))
|
||
} catch (e: Exception) {
|
||
// 读投影失败（Redis 不可用、未接通、载荷读不动）一律报错：这里没有可信的兜底数据源
|
||
val reason = e.message ?: e.javaClass.simpleName
|
||
log.error("GET /all/flights unavailable reason={}", reason, e)
|
||
HttpResponse.status<String>(HttpStatus.SERVICE_UNAVAILABLE)
|
||
.body(mapper.writeValueAsString(mapOf("error" to PROJECTION_UNAVAILABLE, "reason" to reason)))
|
||
}
|
||
|
||
/**
|
||
* 共享航班由 `MAID`（主航班 FLID）非空标识，随主航班下发，不单独出现在列表里
|
||
* （`US-06` AC2 的主/共享关系，见 docs/implementation.md「航班域」）。
|
||
*/
|
||
private fun nonSharedFlights(): List<com.fasterxml.jackson.databind.JsonNode> =
|
||
projection.readAll()
|
||
.map { mapper.readTree(it) }
|
||
.filter { it.path("MAID").asText("").isBlank() }
|
||
|
||
private companion object {
|
||
private const val PROJECTION_UNAVAILABLE = "FLIGHT_PROJECTION_UNAVAILABLE"
|
||
}
|
||
}
|