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49 lines
1.4 KiB
49 lines
1.4 KiB
package com.example.demo.service
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import com.example.demo.model.User
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import com.example.demo.model.test_db.Tables
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import com.example.demo.model.test_db.Tables.MESSAGES
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import com.example.demo.model.test_db.tables.Users.USERS
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import kotlinx.coroutines.flow.Flow
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import kotlinx.coroutines.flow.asFlow
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import org.jooq.DSLContext
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import org.springframework.beans.factory.annotation.Autowired
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import org.springframework.context.annotation.Lazy
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import org.springframework.stereotype.Service
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import reactor.core.publisher.Flux
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@Service
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@Lazy
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class UserService(@Autowired @Lazy private val dsl: DSLContext) {
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fun users(): Flux<User> {
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return Flux
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.from(dsl
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.select()
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.from(Tables.USERS))
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.map {
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User(it.get(USERS.ID), it.get(USERS.NAME))
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}
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}
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suspend fun users2(): Flow<User> {
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return dsl
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.select()
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.from(USERS)
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.fetch()
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.map { userRecord ->
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User(userRecord.get(USERS.ID), userRecord.get(USERS.NAME))
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}
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.asFlow()
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}
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suspend fun getUserMessages(userName: String): Flow<String> = dsl
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.select(MESSAGES.MESSAGE).from(MESSAGES, USERS)
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.where(MESSAGES.USER_ID.eq(USERS.ID), USERS.NAME.eq(userName))
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.fetch()
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.map { it.get(MESSAGES.MESSAGE) }
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.asFlow()
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}
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