From 7b5c9ddca965208bc847c0097342ef3601a5e1a3 Mon Sep 17 00:00:00 2001
From: Andrew Lalis <andrewlalisofficial@gmail.com>
Date: Wed, 16 Feb 2022 12:30:14 +0100
Subject: [PATCH] Added request exchange functionality.

---
 .../nl/andrewl/coyotecredit/ctl/HomePage.java |  2 +-
 .../ctl/RequestExchangeController.java        | 35 +++++++++++++++++
 .../ctl/dto/RequestExchangePayload.java       |  7 ++++
 .../dao/ExchangeRequestRepository.java        |  9 +++++
 .../coyotecredit/model/ExchangeRequest.java   | 38 +++++++++++++++++++
 .../templates/exchange/exchanges.html         |  2 +-
 .../templates/exchange/removeAccount.html     |  2 +-
 .../templates/exchange/request_exchange.html  | 36 ++++++++++++++++++
 src/main/resources/templates/home.html        | 10 +++++
 9 files changed, 138 insertions(+), 3 deletions(-)
 create mode 100644 src/main/java/nl/andrewl/coyotecredit/ctl/RequestExchangeController.java
 create mode 100644 src/main/java/nl/andrewl/coyotecredit/ctl/dto/RequestExchangePayload.java
 create mode 100644 src/main/java/nl/andrewl/coyotecredit/dao/ExchangeRequestRepository.java
 create mode 100644 src/main/java/nl/andrewl/coyotecredit/model/ExchangeRequest.java
 create mode 100644 src/main/resources/templates/exchange/request_exchange.html

diff --git a/src/main/java/nl/andrewl/coyotecredit/ctl/HomePage.java b/src/main/java/nl/andrewl/coyotecredit/ctl/HomePage.java
index b7d7b75..fb899cb 100644
--- a/src/main/java/nl/andrewl/coyotecredit/ctl/HomePage.java
+++ b/src/main/java/nl/andrewl/coyotecredit/ctl/HomePage.java
@@ -10,7 +10,7 @@ import org.springframework.web.bind.annotation.GetMapping;
 import org.springframework.web.bind.annotation.RequestMapping;
 
 @Controller
-@RequestMapping(path = "/")
+@RequestMapping(path = {"/", "/home"})
 @RequiredArgsConstructor
 public class HomePage {
 	private final AccountService accountService;
diff --git a/src/main/java/nl/andrewl/coyotecredit/ctl/RequestExchangeController.java b/src/main/java/nl/andrewl/coyotecredit/ctl/RequestExchangeController.java
new file mode 100644
index 0000000..70f08da
--- /dev/null
+++ b/src/main/java/nl/andrewl/coyotecredit/ctl/RequestExchangeController.java
@@ -0,0 +1,35 @@
+package nl.andrewl.coyotecredit.ctl;
+
+import lombok.RequiredArgsConstructor;
+import nl.andrewl.coyotecredit.ctl.dto.RequestExchangePayload;
+import nl.andrewl.coyotecredit.dao.ExchangeRequestRepository;
+import nl.andrewl.coyotecredit.model.ExchangeRequest;
+import nl.andrewl.coyotecredit.model.User;
+import org.springframework.security.core.annotation.AuthenticationPrincipal;
+import org.springframework.stereotype.Controller;
+import org.springframework.transaction.annotation.Transactional;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.ModelAttribute;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestMapping;
+
+@Controller
+@RequestMapping(path = "/requestExchange")
+@RequiredArgsConstructor
+public class RequestExchangeController {
+	private final ExchangeRequestRepository exchangeRequestRepository;
+
+	@GetMapping
+	public String get() {
+		return "exchange/request_exchange";
+	}
+
+	@PostMapping
+	@Transactional
+	public String post(@AuthenticationPrincipal User user, @ModelAttribute RequestExchangePayload payload) {
+		exchangeRequestRepository.save(new ExchangeRequest(
+				user, payload.estimatedAccountCount(), payload.organization(), payload.reason()
+		));
+		return "redirect:/";
+	}
+}
diff --git a/src/main/java/nl/andrewl/coyotecredit/ctl/dto/RequestExchangePayload.java b/src/main/java/nl/andrewl/coyotecredit/ctl/dto/RequestExchangePayload.java
new file mode 100644
index 0000000..fb3a725
--- /dev/null
+++ b/src/main/java/nl/andrewl/coyotecredit/ctl/dto/RequestExchangePayload.java
@@ -0,0 +1,7 @@
+package nl.andrewl.coyotecredit.ctl.dto;
+
+public record RequestExchangePayload (
+		int estimatedAccountCount,
+		String organization,
+		String reason
+) {}
diff --git a/src/main/java/nl/andrewl/coyotecredit/dao/ExchangeRequestRepository.java b/src/main/java/nl/andrewl/coyotecredit/dao/ExchangeRequestRepository.java
new file mode 100644
index 0000000..0652423
--- /dev/null
+++ b/src/main/java/nl/andrewl/coyotecredit/dao/ExchangeRequestRepository.java
@@ -0,0 +1,9 @@
+package nl.andrewl.coyotecredit.dao;
+
+import nl.andrewl.coyotecredit.model.ExchangeRequest;
+import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.stereotype.Repository;
+
+@Repository
+public interface ExchangeRequestRepository extends JpaRepository<ExchangeRequest, Long> {
+}
diff --git a/src/main/java/nl/andrewl/coyotecredit/model/ExchangeRequest.java b/src/main/java/nl/andrewl/coyotecredit/model/ExchangeRequest.java
new file mode 100644
index 0000000..367e827
--- /dev/null
+++ b/src/main/java/nl/andrewl/coyotecredit/model/ExchangeRequest.java
@@ -0,0 +1,38 @@
+package nl.andrewl.coyotecredit.model;
+
+import lombok.AccessLevel;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+
+import javax.persistence.*;
+
+/**
+ * Represents a user's request to create a new exchange.
+ */
+@Entity
+@NoArgsConstructor(access = AccessLevel.PROTECTED)
+@Getter
+public class ExchangeRequest {
+	@Id
+	@GeneratedValue(strategy = GenerationType.IDENTITY)
+	private Long id;
+
+	@ManyToOne(optional = false, fetch = FetchType.LAZY)
+	private User user;
+
+	@Column(nullable = false)
+	private int estimatedAccountCount;
+
+	@Column
+	private String organization;
+
+	@Column(nullable = false)
+	private String reason;
+
+	public ExchangeRequest(User user, int estimatedAccountCount, String organization, String reason) {
+		this.user = user;
+		this.estimatedAccountCount = estimatedAccountCount;
+		this.organization = organization;
+		this.reason = reason;
+	}
+}
diff --git a/src/main/resources/templates/exchange/exchanges.html b/src/main/resources/templates/exchange/exchanges.html
index f628b73..fa7031e 100644
--- a/src/main/resources/templates/exchange/exchanges.html
+++ b/src/main/resources/templates/exchange/exchanges.html
@@ -15,7 +15,7 @@
                         <a class="colored-link" th:href="@{/exchanges/{eId}(eId=${exchange.exchange().id()})}" th:text="${exchange.exchange().name()}"></a>
                     </h5>
                     <h6 class="card-subtitle text-muted mb-2">
-                        Est. Account Balance:
+                        My Account Balance:
                         <span class="badge bg-secondary">
                     <span class="font-monospace" th:text="${exchange.account().totalBalance()}"></span>&nbsp;
                     <a class="colored-link" th:text="${exchange.exchange().primaryTradeable()}" th:href="@{/tradeables/{tId}(tId=${exchange.exchange().primaryTradeableId()})}"></a>
diff --git a/src/main/resources/templates/exchange/removeAccount.html b/src/main/resources/templates/exchange/removeAccount.html
index bc2bbd8..f23b8d4 100644
--- a/src/main/resources/templates/exchange/removeAccount.html
+++ b/src/main/resources/templates/exchange/removeAccount.html
@@ -5,7 +5,7 @@
         th:replace="~{layout/basic_page :: layout (title='Remove Account', content=~{::#content})}"
 >
 <div id="content" class="container">
-    <h1>Remove Account</h1>
+    <h1 class="display-4">Remove Account</h1>
     <p>
         Are you sure you want to remove this account?
     </p>
diff --git a/src/main/resources/templates/exchange/request_exchange.html b/src/main/resources/templates/exchange/request_exchange.html
new file mode 100644
index 0000000..afcab0b
--- /dev/null
+++ b/src/main/resources/templates/exchange/request_exchange.html
@@ -0,0 +1,36 @@
+<!DOCTYPE html>
+<html
+        lang="en"
+        xmlns:th="http://www.thymeleaf.org"
+        th:replace="~{layout/basic_page :: layout (title='Request Exchange', content=~{::#content})}"
+>
+<div id="content" class="container">
+    <div class="row justify-content-center">
+        <div class="col-lg-6">
+            <h1 class="display-4">Request a New Exchange</h1>
+            <p>
+                Fill in the requested information below to submit your request
+                for a new exchange.
+            </p>
+
+            <form th:action="@{/requestExchange}" method="post">
+                <div class="mb-3">
+                    <label for="estimatedAccountCountInput" class="form-label">Estimated Number of Accounts</label>
+                    <input class="form-control" type="number" name="estimatedAccountCount" id="estimatedAccountCountInput" min="1" max="1000" step="1" value="5" required/>
+                </div>
+                <div class="mb-3">
+                    <label for="organizationInput" class="form-label">Organization</label>
+                    <small class="text-muted">The name of the organization that will use this exchange, if any.</small>
+                    <input class="form-control" type="text" name="organization" id="organizationInput"/>
+                </div>
+                <div class="mb-3">
+                    <label for="reasonInput" class="form-label">Reason</label>
+                    <small class="text-muted">Give some motivation for why you'd like to request an exchange.</small>
+                    <textarea id="reasonInput" name="reason" class="form-control" rows="3" required></textarea>
+                </div>
+
+                <button type="submit" class="btn btn-primary">Submit</button>
+            </form>
+        </div>
+    </div>
+</div>
diff --git a/src/main/resources/templates/home.html b/src/main/resources/templates/home.html
index 165a6e1..01fe93f 100644
--- a/src/main/resources/templates/home.html
+++ b/src/main/resources/templates/home.html
@@ -17,11 +17,21 @@
 
             <hr>
 
+            <h3>Getting Started</h3>
             <p>
                 You can visit the <a class="colored-link" th:href="@{/exchanges}">Exchanges</a> page
                 to view a list of exchanges that you're participating in. Within an exchange, you
                 may buy and sell tradeable assets, and transfer funds to other accounts.
             </p>
+            <p>
+                If you're looking to open your own exchange for your friends, colleagues, or
+                students to participate in, you can submit a
+                <a class="colored-link" th:href="@{/requestExchange}">request for a new exchange.</a>
+                <small class="text-muted">
+                    Note that exchange requests are processed manually, on a case-by-case basis, and
+                    are subject to the discretion of site administrators.
+                </small>
+            </p>
         </div>
     </div>
 </div>
\ No newline at end of file