Open-sourced generic, dynamic POC, RESTful alerting API

persistence/src/main/kotlin/com/poc/alerting/persistence/H2Config.kt

@@ -0,0 +1,23 @@
+package com.poc.alerting.persistence
+
+import org.h2.tools.Server
+import org.springframework.boot.autoconfigure.EnableAutoConfiguration
+import org.springframework.boot.autoconfigure.domain.EntityScan
+import org.springframework.context.annotation.Bean
+import org.springframework.context.annotation.Configuration
+import org.springframework.context.annotation.Profile
+import org.springframework.data.jpa.repository.config.EnableJpaRepositories
+
+@Configuration
+@EnableJpaRepositories("com.poc.alerting.persistence.repositories")
+@EntityScan("com.poc.alerting.persistence.dto")
+@EnableAutoConfiguration
+open class H2Config {
+    @Bean(initMethod = "start", destroyMethod = "stop")
+    @Profile("persistence")
+    open fun inMemoryH2DatabaseServer(): Server {
+        return Server.createTcpServer(
+            "-tcp", "-tcpAllowOthers", "-tcpPort", "9091"
+        )
+    }
+}

persistence/src/main/kotlin/com/poc/alerting/persistence/Persistence.kt

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+package com.poc.alerting.persistence
+
+import org.springframework.boot.autoconfigure.SpringBootApplication
+import org.springframework.boot.runApplication
+
+
+@SpringBootApplication(scanBasePackages = ["com.poc.alerting.persistence"])
+open class Persistence
+
+fun main(args: Array<String>) {
+    runApplication<Persistence>(*args)
+}

persistence/src/main/kotlin/com/poc/alerting/persistence/dto/Account.kt

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+package com.poc.alerting.persistence.dto
+
+import javax.persistence.Entity
+import javax.persistence.GeneratedValue
+import javax.persistence.Id
+import javax.validation.constraints.NotBlank
+import javax.validation.constraints.Size
+
+@Entity
+data class Account(
+    @Id
+    @GeneratedValue
+    val id: Long,
+
+    @NotBlank
+    @Size(max = 255)
+    val name: String,
+
+    @NotBlank
+    @Size(max = 255)
+    val extId: String
+)

persistence/src/main/kotlin/com/poc/alerting/persistence/dto/Alert.kt

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+package com.poc.alerting.persistence.dto
+
+import org.hibernate.annotations.CreationTimestamp
+import org.hibernate.annotations.UpdateTimestamp
+import java.util.Date
+import javax.persistence.Entity
+import javax.persistence.EnumType
+import javax.persistence.Enumerated
+import javax.persistence.GeneratedValue
+import javax.persistence.GenerationType
+import javax.persistence.Id
+import javax.persistence.ManyToOne
+import javax.persistence.Temporal
+import javax.persistence.TemporalType
+import javax.validation.constraints.NotBlank
+import javax.validation.constraints.NotNull
+import javax.validation.constraints.Size
+
+@Entity
+data class Alert(
+    @Id
+    @GeneratedValue(strategy = GenerationType.AUTO)
+    val id: Long,
+
+    @NotBlank
+    @Size(max = 255)
+    val extId: String,
+
+    @Size(max = 255)
+    var threshold: String,
+
+    @NotNull
+    @Enumerated(EnumType.STRING)
+    val type: AlertTypeEnum,
+
+    @Size(max = 255)
+    var frequency: String = "",
+
+    var enabled: String = "",
+
+    @Temporal(TemporalType.TIMESTAMP)
+    var lastTriggerTimestamp: Date,
+
+    @Temporal(TemporalType.TIMESTAMP)
+    var notificationSentTimestamp: Date,
+
+    var isTriggered: Boolean,
+
+    @Size(max = 255)
+    var referenceTimePeriod: String,
+
+    @CreationTimestamp
+    @Temporal(TemporalType.TIMESTAMP)
+    val created: Date,
+
+    @UpdateTimestamp
+    @Temporal(TemporalType.TIMESTAMP)
+    var updated: Date,
+
+    @Size(max = 255)
+    var updatedBy: String,
+
+    @ManyToOne
+    var account: Account
+)

persistence/src/main/kotlin/com/poc/alerting/persistence/dto/AlertTypeEnum.kt

@@ -0,0 +1,8 @@
+package com.poc.alerting.persistence.dto
+
+import kotlin.random.Random
+
+enum class AlertTypeEnum(val query: () -> Int) {
+    HARDCODED_ALERT_1({ Random.nextInt(0,1000) }),
+    HARDCODED_ALERT_2({ Random.nextInt(0,1000) })
+}

persistence/src/main/kotlin/com/poc/alerting/persistence/dto/Recipient.kt

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+package com.poc.alerting.persistence.dto
+
+import org.hibernate.annotations.CreationTimestamp
+import org.hibernate.annotations.UpdateTimestamp
+import java.util.Date
+import javax.persistence.Entity
+import javax.persistence.EnumType
+import javax.persistence.Enumerated
+import javax.persistence.GeneratedValue
+import javax.persistence.Id
+import javax.persistence.ManyToOne
+import javax.persistence.Temporal
+import javax.persistence.TemporalType
+import javax.validation.constraints.NotBlank
+import javax.validation.constraints.NotNull
+import javax.validation.constraints.Size
+
+@Entity
+data class Recipient(
+    @Id
+    @GeneratedValue
+    val id: Long,
+
+    @NotBlank
+    @Size(max = 255)
+    val extId: String,
+
+    @NotBlank
+    @Size(max = 255)
+    val recipient: String,
+
+    @NotNull
+    @Enumerated(EnumType.STRING)
+    val type: RecipientTypeEnum,
+
+    @Size(max = 255)
+    val username: String,
+
+    @Size(max = 255)
+    val password: String,
+
+    @CreationTimestamp
+    @Temporal(TemporalType.TIMESTAMP)
+    val created: Date,
+
+    @UpdateTimestamp
+    @Temporal(TemporalType.TIMESTAMP)
+    val updated: Date,
+
+    @Size(max = 255)
+    val updatedBy: String,
+
+    @ManyToOne
+    val alert: Alert,
+
+    @ManyToOne
+    val account: Account
+)

persistence/src/main/kotlin/com/poc/alerting/persistence/dto/RecipientTypeEnum.kt

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+package com.poc.alerting.persistence.dto
+
+enum class RecipientTypeEnum {
+    EMAIL,
+    SMS,
+    HTTP
+}

persistence/src/main/kotlin/com/poc/alerting/persistence/repositories/AccountRepository.kt

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+package com.poc.alerting.persistence.repositories
+
+import com.poc.alerting.persistence.dto.Account
+import org.springframework.data.jpa.repository.JpaRepository
+import org.springframework.stereotype.Repository
+
+@Repository
+interface AccountRepository : JpaRepository<Account, Long> {
+    fun findByExtId(accountExtId: String): Account
+}

persistence/src/main/kotlin/com/poc/alerting/persistence/repositories/AlertRepository.kt

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+package com.poc.alerting.persistence.repositories
+
+import com.poc.alerting.persistence.dto.Alert
+import org.springframework.data.repository.CrudRepository
+import org.springframework.data.repository.PagingAndSortingRepository
+import org.springframework.stereotype.Repository
+
+@Repository
+interface AlertRepository : CrudRepository<Alert, Long>, PagingAndSortingRepository<Alert, Long> {
+    fun findByExtIdAndAccount_ExtId(alertId: String, accountExtId: String): Alert
+
+    fun findAllByAccount_ExtId(accountExtId: String): List<Alert>
+}

persistence/src/main/kotlin/com/poc/alerting/persistence/repositories/RecipientRepository.kt

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+package com.poc.alerting.persistence.repositories
+
+import com.poc.alerting.persistence.dto.Recipient
+import org.springframework.data.repository.CrudRepository
+import org.springframework.stereotype.Repository
+
+@Repository
+interface RecipientRepository : CrudRepository<Recipient, Long> {
+    fun findByExtIdAndAlert_ExtIdAndAccount_ExtId(recipientId: String, alertId: String, accountExtId: String): Recipient
+
+    fun findAllByAccount_ExtId(accountExtId: String): List<Recipient>
+
+    fun findAllByAlert_ExtIdAndAccount_ExtId(alertId: String, accountExtId: String): List<Recipient>
+}