Email integration with PEC and MAILGUN services using api call.

src/main/java/net/gepafin/tendermanagement/service/feignClient/MailgunFeignClient.java

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+package net.gepafin.tendermanagement.service.feignClient;
+
+import org.springframework.cloud.openfeign.FeignClient;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.PathVariable;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestHeader;
+import org.springframework.web.bind.annotation.RequestParam;
+
+import java.util.List;
+
+@FeignClient(name = "mailgunClient", url = "${mailGun_base_url}")
+public interface MailgunFeignClient {
+    @PostMapping("/v3/{domain}/messages")
+    ResponseEntity<Void> sendEmail(
+            @PathVariable("domain") String domain,
+            @RequestParam("from") String from,
+            @RequestParam("to") List<String> to,
+            @RequestParam("subject") String subject,
+            @RequestParam("html") String htmlBody,
+            @RequestHeader("Authorization") String authorizationHeader);
+}
+
+

src/main/java/net/gepafin/tendermanagement/service/feignClient/PecFeignClient.java

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+package net.gepafin.tendermanagement.service.feignClient;
+
+import feign.Headers;
+import net.gepafin.tendermanagement.model.request.PecEmailRequest;
+import org.springframework.cloud.openfeign.FeignClient;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestBody;
+import org.springframework.web.bind.annotation.RequestHeader;
+
+@FeignClient(name = "pecClient", url = "${api.pecUrl}")
+public interface PecFeignClient {
+    @PostMapping("/send")
+    ResponseEntity<Void> sendEmail(@RequestHeader("Authorization") String token,
+            @RequestBody PecEmailRequest emailRequest);
+}
+