Things

src/networking/json_builder.cpp

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+#include "json_builder.h"
+
+extern WaterData water_data;
+extern DeviceTelemetry telemetry;
+extern NetworkData wifi_data;
+extern NetworkData ethernet_data;
+extern SensorData shunt_data;
+
+StaticJsonDocument<128> build_shunt_data_json(SensorData data) {
+    StaticJsonDocument<128> doc;
+    doc["bus_voltage"] = data.bus_voltage;
+    doc["shunt_voltage"] = data.shunt_voltage;
+    doc["current"] = data.shunt_current;
+    return doc;
+}
+
+StaticJsonDocument<128> build_water_data_json(WaterData data) {
+    StaticJsonDocument<128> doc;
+    doc["percentage"] = data.percentage;
+    doc["water_height"] = data.level;
+    doc["liters"] = data.liters;
+    return doc;
+}
+
+StaticJsonDocument<128> build_telemetry_json(DeviceTelemetry data) {
+    StaticJsonDocument<128> doc;
+    doc["uptime_seconds"] = data.uptime_seconds;
+    doc["heap_percent"] = data.heap_used_percent;
+    return doc;
+}
+
+StaticJsonDocument<128> build_network_json(NetworkData wired, NetworkData wireless) {
+    StaticJsonDocument<256> doc;
+    doc["wifi"]["ip"] = wireless.ip_address;
+    doc["wifi"]["rssi"] = wireless.rssi;
+    doc["wifi"]["link"] = wireless.link;
+    doc["wifi"]["ssid"] = wireless.network_name;
+
+    doc["ethernet"]["ip"] = wired.ip_address;
+    doc["ethernet"]["rssi"] = wired.rssi;
+    doc["ethernet"]["link"] = wired.link;
+
+    return doc;
+}

src/networking/json_builder.h

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+#include <ArduinoJson.h>
+#include "../global_data/global_data.h"
+
+StaticJsonDocument<128> build_shunt_data_json(SensorData data);
+StaticJsonDocument<128> build_water_data_json(WaterData data);
+StaticJsonDocument<128> build_telemetry_json(DeviceTelemetry data);
+StaticJsonDocument<128> build_network_json(NetworkData wired, NetworkData wireless);

src/networking/responses.cpp

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+#include "responses.h"
+
+#include <Arduino.h>
+#include <ESPAsyncWebServer.h>
+#include "AsyncJson.h"
+#include <ArduinoJson.h>
+#include <ArduinoLog.h>
+#include "json_builder.h"
+
+extern WaterData water_data;
+extern DeviceTelemetry telemetry;
+extern NetworkData wifi_data;
+extern NetworkData ethernet_data;
+extern SensorData shunt_data;
+
+extern AsyncWebServer server;
+
+void setup_api_endpoints(){
+    server.on("/sensor_data", HTTP_GET, [](AsyncWebServerRequest* request) {
+      String output;
+      serializeJson(build_shunt_data_json(shunt_data), output);
+      request->send(200, "application/json", output); });
+
+    server.on("/water_data", HTTP_GET, [](AsyncWebServerRequest* request) {
+      String output;
+      serializeJson(build_water_data_json(water_data), output);
+      request->send(200, "application/json", output); });
+
+    server.on("/telemetry", HTTP_GET, [](AsyncWebServerRequest* request) {
+      String output;
+      serializeJson(build_telemetry_json(telemetry), output);
+      request->send(200, "application/json", output); });
+
+    server.on("/network_info", HTTP_GET, [](AsyncWebServerRequest* request) {
+        String output;
+        serializeJson(build_network_json(ethernet_data, wifi_data), output);
+        request->send(200, "application/json", output);
+    });
+}

src/networking/responses.h

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+#include <ESPAsyncWebServer.h>
+
+void setup_api_endpoints();