adds chart workspace

src/main/java/com/litoralregas/backend/charts/ChartWorkspace.java

@@ -0,0 +1,97 @@
+package com.litoralregas.backend.charts;
+
+import jakarta.persistence.*;
+
+import java.time.Instant;
+
+@Entity
+@Table(name = "chart_workspace")
+public class ChartWorkspace {
+
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private Integer id;
+
+    @Enumerated(EnumType.STRING)
+    @Column(nullable = false, unique = true)
+    private ChartWorkspaceScope scope;
+
+    @Column(name = "layout_mode", nullable = false)
+    private String layoutMode;
+
+    @Column(name = "charts_json", nullable = false, columnDefinition = "TEXT")
+    private String chartsJson;
+
+    @Column(name = "created_at", nullable = false, updatable = false)
+    private Instant createdAt;
+
+    @Column(name = "updated_at", nullable = false)
+    private Instant updatedAt;
+
+    protected ChartWorkspace() {
+    }
+
+    public ChartWorkspace(
+            ChartWorkspaceScope scope,
+            String layoutMode,
+            String chartsJson
+    ) {
+        this.scope = scope;
+        this.layoutMode = layoutMode;
+        this.chartsJson = chartsJson;
+    }
+
+    @PrePersist
+    public void onCreate() {
+        Instant now = Instant.now();
+
+        if (createdAt == null) {
+            createdAt = now;
+        }
+
+        if (updatedAt == null) {
+            updatedAt = now;
+        }
+    }
+
+    @PreUpdate
+    public void onUpdate() {
+        updatedAt = Instant.now();
+    }
+
+    public Integer getId() {
+        return id;
+    }
+
+    public ChartWorkspaceScope getScope() {
+        return scope;
+    }
+
+    public void setScope(ChartWorkspaceScope scope) {
+        this.scope = scope;
+    }
+
+    public String getLayoutMode() {
+        return layoutMode;
+    }
+
+    public void setLayoutMode(String layoutMode) {
+        this.layoutMode = layoutMode;
+    }
+
+    public String getChartsJson() {
+        return chartsJson;
+    }
+
+    public void setChartsJson(String chartsJson) {
+        this.chartsJson = chartsJson;
+    }
+
+    public Instant getCreatedAt() {
+        return createdAt;
+    }
+
+    public Instant getUpdatedAt() {
+        return updatedAt;
+    }
+}

src/main/java/com/litoralregas/backend/charts/ChartWorkspaceController.java

@@ -0,0 +1,38 @@
+package com.litoralregas.backend.charts;
+
+import com.litoralregas.backend.charts.dto.ChartWorkspaceRequest;
+import com.litoralregas.backend.charts.dto.ChartWorkspaceResponse;
+import org.springframework.web.bind.annotation.*;
+
+@RestController
+@RequestMapping("/api/chart-workspaces")
+public class ChartWorkspaceController {
+
+    private final ChartWorkspaceService service;
+
+    public ChartWorkspaceController(
+            ChartWorkspaceService service
+    ) {
+        this.service = service;
+    }
+
+    @GetMapping("/{scope}")
+    public ChartWorkspaceResponse getWorkspace(
+            @PathVariable ChartWorkspaceScope scope
+    ) {
+
+        return service.getWorkspace(scope);
+    }
+
+    @PutMapping("/{scope}")
+    public ChartWorkspaceResponse saveWorkspace(
+            @PathVariable ChartWorkspaceScope scope,
+            @RequestBody ChartWorkspaceRequest request
+    ) {
+
+        return service.saveWorkspace(
+                scope,
+                request
+        );
+    }
+}

src/main/java/com/litoralregas/backend/charts/ChartWorkspaceRepository.java

@@ -0,0 +1,13 @@
+package com.litoralregas.backend.charts;
+
+import org.springframework.data.jpa.repository.JpaRepository;
+
+import java.util.Optional;
+
+public interface ChartWorkspaceRepository
+        extends JpaRepository<ChartWorkspace, Integer> {
+
+    Optional<ChartWorkspace> findByScope(
+            ChartWorkspaceScope scope
+    );
+}

src/main/java/com/litoralregas/backend/charts/ChartWorkspaceScope.java

@@ -0,0 +1,11 @@
+package com.litoralregas.backend.charts;
+
+public enum ChartWorkspaceScope {
+    GLOBAL,
+    CLIMATE,
+    IRRIGATION,
+    METEO,
+    LIGHTING,
+    HYDRO,
+    AEROPONICS
+}

src/main/java/com/litoralregas/backend/charts/ChartWorkspaceService.java

@@ -0,0 +1,78 @@
+package com.litoralregas.backend.charts;
+
+import com.litoralregas.backend.charts.dto.ChartWorkspaceRequest;
+import com.litoralregas.backend.charts.dto.ChartWorkspaceResponse;
+import jakarta.transaction.Transactional;
+import org.springframework.stereotype.Service;
+
+@Service
+public class ChartWorkspaceService {
+
+    private final ChartWorkspaceRepository repository;
+
+    public ChartWorkspaceService(
+            ChartWorkspaceRepository repository
+    ) {
+        this.repository = repository;
+    }
+
+    @Transactional
+    public ChartWorkspaceResponse saveWorkspace(
+            ChartWorkspaceScope scope,
+            ChartWorkspaceRequest request
+    ) {
+
+        ChartWorkspace workspace =
+                repository.findByScope(scope)
+                        .orElseGet(() ->
+                                new ChartWorkspace(
+                                        scope,
+                                        request.layoutMode(),
+                                        request.chartsJson()
+                                )
+                        );
+
+        workspace.setLayoutMode(
+                request.layoutMode()
+        );
+
+        workspace.setChartsJson(
+                request.chartsJson()
+        );
+
+        ChartWorkspace saved =
+                repository.save(workspace);
+
+        return toResponse(saved);
+    }
+
+    public ChartWorkspaceResponse getWorkspace(
+            ChartWorkspaceScope scope
+    ) {
+
+        ChartWorkspace workspace =
+                repository.findByScope(scope)
+                        .orElseThrow(() ->
+                                new IllegalArgumentException(
+                                        "Workspace not found for scope: "
+                                                + scope
+                                )
+                        );
+
+        return toResponse(workspace);
+    }
+
+    private ChartWorkspaceResponse toResponse(
+            ChartWorkspace workspace
+    ) {
+
+        return new ChartWorkspaceResponse(
+                workspace.getId(),
+                workspace.getScope(),
+                workspace.getLayoutMode(),
+                workspace.getChartsJson(),
+                workspace.getCreatedAt(),
+                workspace.getUpdatedAt()
+        );
+    }
+}

src/main/java/com/litoralregas/backend/charts/dto/ChartWorkspaceRequest.java

@@ -0,0 +1,7 @@
+package com.litoralregas.backend.charts.dto;
+
+public record ChartWorkspaceRequest(
+        String layoutMode,
+        String chartsJson
+) {
+}

src/main/java/com/litoralregas/backend/charts/dto/ChartWorkspaceResponse.java

@@ -0,0 +1,15 @@
+package com.litoralregas.backend.charts.dto;
+
+import com.litoralregas.backend.charts.ChartWorkspaceScope;
+
+import java.time.Instant;
+
+public record ChartWorkspaceResponse(
+        Integer id,
+        ChartWorkspaceScope scope,
+        String layoutMode,
+        String chartsJson,
+        Instant createdAt,
+        Instant updatedAt
+) {
+}

src/main/resources/config/sensor-definitions.json

@@ -32340,7 +32340,7 @@
       "signed": false,
       "validMin": null,
       "validMax": null
-    }
+    },
   ],
   "schema": "sensor-definitions.v2.decoding-metadata"
 }

src/main/resources/db/migration/V5__create_chart_workspace.sql

@@ -0,0 +1,12 @@
+CREATE TABLE chart_workspace (
+    id INTEGER PRIMARY KEY AUTOINCREMENT,
+
+    scope VARCHAR(50) NOT NULL UNIQUE,
+
+    layout_mode VARCHAR(50) NOT NULL,
+
+    charts_json TEXT NOT NULL,
+
+    created_at TIMESTAMP NOT NULL,
+    updated_at TIMESTAMP NOT NULL
+);