From 8d03c86c8f2d91994ba890c64f01d4192654d282 Mon Sep 17 00:00:00 2001
From: Piotr Dec <piotr_dec@msn.com>
Date: Tue, 16 Jul 2024 22:34:22 +0200
Subject: [PATCH] feat: DataProperties

---
 .gitignore                                    |  3 ++
 readme.md                                     | 36 +++++++++++--------
 src/main/java/eu/ztsh/lfr/Main.java           |  4 +++
 .../eu/ztsh/lfr/config/DataProperties.java    |  8 +++++
 src/main/resources/application.yaml           |  2 ++
 5 files changed, 39 insertions(+), 14 deletions(-)
 create mode 100644 src/main/java/eu/ztsh/lfr/config/DataProperties.java

diff --git a/.gitignore b/.gitignore
index a471319..f9b4200 100644
--- a/.gitignore
+++ b/.gitignore
@@ -3,3 +3,6 @@ target/
 ### IntelliJ IDEA ###
 .idea/
 *.iml
+
+# local files
+data/
diff --git a/readme.md b/readme.md
index 14ca349..b2c770f 100644
--- a/readme.md
+++ b/readme.md
@@ -1,7 +1,8 @@
 # Large file reading challenge
 
 Welcome in the recruitment challenge.
-Write an application that, at the endpoint specified by you, returns the yearly average temperatures for a given city in the format array of objects with the following fields: year, averageTemperature.
+Write an application that, at the endpoint specified by you, returns the yearly average temperatures for a given city in
+the format array of objects with the following fields: year, averageTemperature.
 
 ## Assumptions
 
@@ -10,33 +11,40 @@ Write an application that, at the endpoint specified by you, returns the yearly
 - The content of the source file may change during the application's running
 
 ## Example source file
-[example_file.csv](example_file.csv)
 
+[example_file.csv](example_file.csv)
 
 ## Response
 
 ### Schema
+
 [response_schema](schema/response.json)
 
 ### Example
 
 ```json
 [
-  {
-	"year": "2021",
-	"averageTemperature": 12.1
-  },
-  {
-	"year": "2022",
-	"averageTemperature": 11.1
-  },
-  {
-	"year": "2023",
-	"averageTemperature": 14.1
-  }
+    {
+        "year": "2021",
+        "averageTemperature": 12.1
+    },
+    {
+        "year": "2022",
+        "averageTemperature": 11.1
+    },
+    {
+        "year": "2023",
+        "averageTemperature": 14.1
+    }
 ]
 ```
 
+## Configuration
+
+| property      | description                    | default               |
+|---------------|--------------------------------|-----------------------|
+| data.file-url | path to file with temperatures | data/temperatures.csv |
+
 ## Usage
 
 Temperature statistics endpoint: `/api/temperatures/{city}`
diff --git a/src/main/java/eu/ztsh/lfr/Main.java b/src/main/java/eu/ztsh/lfr/Main.java
index 1f3f728..569eded 100644
--- a/src/main/java/eu/ztsh/lfr/Main.java
+++ b/src/main/java/eu/ztsh/lfr/Main.java
@@ -2,8 +2,12 @@ package eu.ztsh.lfr;
 
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.boot.context.properties.ConfigurationPropertiesScan;
+import org.springframework.boot.context.properties.EnableConfigurationProperties;
 
 @SpringBootApplication
+@EnableConfigurationProperties
+@ConfigurationPropertiesScan
 public class Main {
 
     public static void main(String[] args) {
diff --git a/src/main/java/eu/ztsh/lfr/config/DataProperties.java b/src/main/java/eu/ztsh/lfr/config/DataProperties.java
new file mode 100644
index 0000000..152bc52
--- /dev/null
+++ b/src/main/java/eu/ztsh/lfr/config/DataProperties.java
@@ -0,0 +1,8 @@
+package eu.ztsh.lfr.config;
+
+import org.springframework.boot.context.properties.ConfigurationProperties;
+
+@ConfigurationProperties("data")
+public record DataProperties(String fileUrl) {
+
+}
diff --git a/src/main/resources/application.yaml b/src/main/resources/application.yaml
index e69de29..8008f0f 100644
--- a/src/main/resources/application.yaml
+++ b/src/main/resources/application.yaml
@@ -0,0 +1,2 @@
+data:
+  file-url: data/temperatures.csv