metabuilder/packages/shared/seed/script_v2.json

{
  "schema_version": "2.0.0",
  "package": "shared",
  "description": "Shared package scripts - permissions and utilities",

  "functions": [
    {
      "id": "check_access",
      "name": "check_access",
      "async": false,
      "exported": true,
      "params": [
        {
          "name": "userLevel",
          "type": "number",
          "description": "Current user's permission level (0-6)"
        },
        {
          "name": "permissions",
          "type": "object",
          "description": "Permission requirements"
        },
        {
          "name": "featureFlags",
          "type": "table",
          "optional": true,
          "default": {}
        },
        {
          "name": "databaseEnabled",
          "type": "boolean",
          "optional": true,
          "default": true
        }
      ],
      "returnType": "PermissionCheckResult",
      "body": [
        {
          "type": "comment",
          "text": "Default feature flags and database state"
        },
        {
          "type": "if_statement",
          "condition": {
            "type": "binary_expression",
            "left": "$ref:params.featureFlags",
            "operator": "==",
            "right": null
          },
          "then": [
            {
              "type": "assignment",
              "target": "$ref:params.featureFlags",
              "value": {
                "type": "object_literal",
                "properties": {}
              }
            }
          ]
        },
        {
          "type": "if_statement",
          "condition": {
            "type": "binary_expression",
            "left": "$ref:params.databaseEnabled",
            "operator": "==",
            "right": false
          },
          "then": [
            {
              "type": "assignment",
              "target": "$ref:params.databaseEnabled",
              "value": true
            }
          ]
        },
        {
          "type": "comment",
          "text": "Check if resource is enabled"
        },
        {
          "type": "if_statement",
          "condition": {
            "type": "binary_expression",
            "left": {
              "type": "member_access",
              "object": "$ref:params.permissions",
              "property": "enabled"
            },
            "operator": "===",
            "right": false
          },
          "then": [
            {
              "type": "return",
              "value": {
                "type": "object_literal",
                "properties": {
                  "allowed": false,
                  "reason": "Resource is currently disabled"
                }
              }
            }
          ]
        },
        {
          "type": "comment",
          "text": "Check minimum permission level"
        },
        {
          "type": "const_declaration",
          "name": "minLevel",
          "value": {
            "type": "logical_expression",
            "left": {
              "type": "member_access",
              "object": "$ref:params.permissions",
              "property": "minLevel"
            },
            "operator": "||",
            "right": 0
          }
        },
        {
          "type": "if_statement",
          "condition": {
            "type": "binary_expression",
            "left": "$ref:params.userLevel",
            "operator": "<",
            "right": "$ref:local.minLevel"
          },
          "then": [
            {
              "type": "return",
              "value": {
                "type": "object_literal",
                "properties": {
                  "allowed": false,
                  "reason": "Insufficient permission level",
                  "requiredLevel": "$ref:local.minLevel"
                }
              }
            }
          ]
        },
        {
          "type": "comment",
          "text": "Check database requirement"
        },
        {
          "type": "if_statement",
          "condition": {
            "type": "logical_expression",
            "left": {
              "type": "member_access",
              "object": "$ref:params.permissions",
              "property": "databaseRequired"
            },
            "operator": "&&",
            "right": {
              "type": "unary_expression",
              "operator": "!",
              "argument": "$ref:params.databaseEnabled"
            }
          },
          "then": [
            {
              "type": "return",
              "value": {
                "type": "object_literal",
                "properties": {
                  "allowed": false,
                  "reason": "Database is required but not enabled"
                }
              }
            }
          ]
        },
        {
          "type": "if_statement",
          "condition": {
            "type": "logical_expression",
            "left": {
              "type": "member_access",
              "object": "$ref:params.permissions",
              "property": "requireDatabase"
            },
            "operator": "&&",
            "right": {
              "type": "unary_expression",
              "operator": "!",
              "argument": "$ref:params.databaseEnabled"
            }
          },
          "then": [
            {
              "type": "return",
              "value": {
                "type": "object_literal",
                "properties": {
                  "allowed": false,
                  "reason": "Database is required but not enabled"
                }
              }
            }
          ]
        },
        {
          "type": "comment",
          "text": "Check feature flags (only if specified)"
        },
        {
          "type": "if_statement",
          "condition": {
            "type": "member_access",
            "object": "$ref:params.permissions",
            "property": "featureFlags"
          },
          "then": [
            {
              "type": "for_each_loop",
              "iterator": "flag",
              "iterable": {
                "type": "member_access",
                "object": "$ref:params.permissions",
                "property": "featureFlags"
              },
              "body": [
                {
                  "type": "if_statement",
                  "condition": {
                    "type": "unary_expression",
                    "operator": "!",
                    "argument": {
                      "type": "member_access",
                      "object": "$ref:params.featureFlags",
                      "property": "$ref:local.flag"
                    }
                  },
                  "then": [
                    {
                      "type": "return",
                      "value": {
                        "type": "object_literal",
                        "properties": {
                          "allowed": false,
                          "reason": {
                            "type": "template_literal",
                            "template": "Required feature flag '${flag}' is not enabled"
                          }
                        }
                      }
                    }
                  ]
                }
              ]
            }
          ]
        },
        {
          "type": "comment",
          "text": "All checks passed"
        },
        {
          "type": "return",
          "value": {
            "type": "object_literal",
            "properties": {
              "allowed": true
            }
          }
        }
      ]
    }
  ]
}