feat: add Cloudflare D1 database driver plugin (#206)

Author: datlechin

CHANGELOG.md

@@ -9,6 +9,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Added
 
+- Cloudflare D1 database support
 - Match highlighting in autocomplete suggestions (matched characters shown in bold)
 - Loading spinner in autocomplete popup while fetching column metadata
 

Plugins/CloudflareD1DriverPlugin/CloudflareD1Plugin.swift

@@ -0,0 +1,105 @@
+//
+//  CloudflareD1Plugin.swift
+//  TablePro
+//
+
+import Foundation
+import os
+import TableProPluginKit
+
+final class CloudflareD1Plugin: NSObject, TableProPlugin, DriverPlugin {
+    static let pluginName = "Cloudflare D1 Driver"
+    static let pluginVersion = "1.0.0"
+    static let pluginDescription = "Cloudflare D1 serverless SQLite-compatible database support via REST API"
+    static let capabilities: [PluginCapability] = [.databaseDriver]
+
+    static let databaseTypeId = "Cloudflare D1"
+    static let databaseDisplayName = "Cloudflare D1"
+    static let iconName = "cloudflare-d1-icon"
+    static let defaultPort = 0
+
+    // MARK: - UI/Capability Metadata
+
+    static let connectionMode: ConnectionMode = .apiOnly
+    static let supportsSSH = false
+    static let supportsSSL = false
+    static let isDownloadable = true
+    static let supportsImport = false
+    static let supportsSchemaEditing = false
+    static let databaseGroupingStrategy: GroupingStrategy = .flat
+    static let brandColorHex = "#F6821F"
+    static let urlSchemes: [String] = ["d1"]
+
+    static let explainVariants: [ExplainVariant] = [
+        ExplainVariant(id: "plan", label: "Query Plan", sqlPrefix: "EXPLAIN QUERY PLAN")
+    ]
+
+    static let structureColumnFields: [StructureColumnField] = [.name, .type, .nullable, .defaultValue]
+
+    static let columnTypesByCategory: [String: [String]] = [
+        "Integer": ["INTEGER", "INT", "TINYINT", "SMALLINT", "MEDIUMINT", "BIGINT"],
+        "Float": ["REAL", "DOUBLE", "FLOAT", "NUMERIC", "DECIMAL"],
+        "String": ["TEXT", "VARCHAR", "CHARACTER", "CHAR", "CLOB", "NVARCHAR", "NCHAR"],
+        "Date": ["DATE", "TIME", "DATETIME", "TIMESTAMP"],
+        "Binary": ["BLOB"],
+        "Boolean": ["BOOLEAN"]
+    ]
+
+    static let sqlDialect: SQLDialectDescriptor? = SQLDialectDescriptor(
+        identifierQuote: "\"",
+        keywords: [
+            "SELECT", "FROM", "WHERE", "JOIN", "INNER", "LEFT", "RIGHT", "OUTER", "CROSS",
+            "ON", "AND", "OR", "NOT", "IN", "LIKE", "GLOB", "BETWEEN", "AS",
+            "ORDER", "BY", "GROUP", "HAVING", "LIMIT", "OFFSET",
+            "INSERT", "INTO", "VALUES", "UPDATE", "SET", "DELETE",
+            "CREATE", "ALTER", "DROP", "TABLE", "INDEX", "VIEW", "TRIGGER",
+            "PRIMARY", "KEY", "FOREIGN", "REFERENCES", "UNIQUE", "CONSTRAINT",
+            "ADD", "COLUMN", "RENAME",
+            "NULL", "IS", "ASC", "DESC", "DISTINCT", "ALL",
+            "CASE", "WHEN", "THEN", "ELSE", "END", "COALESCE", "IFNULL", "NULLIF",
+            "UNION", "INTERSECT", "EXCEPT",
+            "AUTOINCREMENT", "WITHOUT", "ROWID", "PRAGMA",
+            "REPLACE", "ABORT", "FAIL", "IGNORE", "ROLLBACK",
+            "TEMP", "TEMPORARY", "VACUUM", "EXPLAIN", "QUERY", "PLAN"
+        ],
+        functions: [
+            "COUNT", "SUM", "AVG", "MAX", "MIN", "GROUP_CONCAT", "TOTAL",
+            "LENGTH", "SUBSTR", "SUBSTRING", "LOWER", "UPPER", "TRIM", "LTRIM", "RTRIM",
+            "REPLACE", "INSTR", "PRINTF",
+            "DATE", "TIME", "DATETIME", "JULIANDAY", "STRFTIME",
+            "ABS", "ROUND", "RANDOM",
+            "CAST", "TYPEOF",
+            "COALESCE", "IFNULL", "NULLIF", "HEX", "QUOTE"
+        ],
+        dataTypes: [
+            "INTEGER", "REAL", "TEXT", "BLOB", "NUMERIC",
+            "INT", "TINYINT", "SMALLINT", "MEDIUMINT", "BIGINT",
+            "UNSIGNED", "BIG", "INT2", "INT8",
+            "CHARACTER", "VARCHAR", "VARYING", "NCHAR", "NATIVE",
+            "NVARCHAR", "CLOB",
+            "DOUBLE", "PRECISION", "FLOAT",
+            "DECIMAL", "BOOLEAN", "DATE", "DATETIME"
+        ],
+        tableOptions: [
+            "WITHOUT ROWID", "STRICT"
+        ],
+        regexSyntax: .unsupported,
+        booleanLiteralStyle: .numeric,
+        likeEscapeStyle: .explicit,
+        paginationStyle: .limit
+    )
+
+    static let additionalConnectionFields: [ConnectionField] = [
+        ConnectionField(
+            id: "cfAccountId",
+            label: String(localized: "Account ID"),
+            placeholder: "Cloudflare Account ID",
+            required: true,
+            section: .authentication
+        )
+    ]
+
+    func createDriver(config: DriverConnectionConfig) -> any PluginDatabaseDriver {
+        CloudflareD1PluginDriver(config: config)
+    }
+}