pankod/refine

import { useForm } from "@refinedev/react-hook-form";

import { createInferencer } from "../../create-inferencer";
import {
  jsx,
  componentName,
  accessor,
  printImports,
  toSingular,
  isIDKey,
  dotAccessor,
  getOptionLabel,
  noOp,
  getVariableName,
  translatePrettyString,
  translateActionTitle,
  translateButtonTitle,
  getMetaProps,
  deepHasKey,
} from "../../utilities";

import { ErrorComponent } from "./error";
import { LoadingComponent } from "./loading";
import { SharedCodeViewer } from "../../components/shared-code-viewer";

import {
  InferencerResultComponent,
  InferField,
  ImportElement,
  RendererContext,
} from "../../types";

/**
 * a renderer function for create page with unstyled html elements
 * @internal used internally from inferencer components
 */
export const renderer = ({
  resource,
  fields,
  meta,
  isCustomPage,
  i18n,
}: RendererContext) => {
  const COMPONENT_NAME = componentName(
    resource.label ?? resource.name,
    "create",
  );
  const imports: Array<ImportElement> = [
    ["React", "react", true],
    ["useNavigation", "@refinedev/core"],
    ["useForm", "@refinedev/react-hook-form"],
  ];

  if (i18n) {
    imports.push(["useTranslate", "@refinedev/core"]);
  }

  // has gqlQuery or gqlMutation in "meta"
  const hasGql = deepHasKey(meta || {}, ["gqlQuery", "gqlMutation"]);
  if (hasGql) {
    imports.push(["gql", "graphql-tag", true]);
  }

  const relationFields: (InferField | null)[] = fields.filter(
    (field) => field?.relation && !field?.fieldable && field?.resource,
  );

  const relationHooksCode = relationFields
    .filter(Boolean)
    .map((field) => {
      if (field?.relation && !field.fieldable && field.resource) {
        imports.push(["useSelect", "@refinedev/core"]);

        return `
                const { options: ${getVariableName(field.key, "Options")} } =
                useSelect({
                    resource: "${field.resource.name}",
                    ${getOptionLabel(field)}
                    ${getMetaProps(
                      field?.resource?.identifier ?? field?.resource?.name,
                      meta,
                      ["getList"],
                    )}
                });
            `;
      }
      return undefined;
    })
    .filter(Boolean);

  const renderRelationFields = (field: InferField) => {
    if (field.relation && field.resource) {
      imports.push(["useSelect", "@refinedev/core"]);

      const variableName = getVariableName(field.key, "Options");

      return jsx`
            <label>
                <span style={{ marginRight: "8px" }}>
                    ${translatePrettyString({
                      resource,
                      field,
                      i18n,
                      noQuotes: true,
                    })}
                </span>
                <select
                    placeholder="Select ${toSingular(field.resource.name)}"
                    {...register("${dotAccessor(
                      field.key,
                      undefined,
                      field.accessor,
                    )}", {
                        required: ${
                          field.multiple ? "false" : '"This field is required"'
                        },
                    })}
                >
                    {${variableName}?.map((option) => (
                        <option value={option.value} key={option.value}>
                            {option.label}
                        </option>
                    ))}
                </select>
                <span style={{ color: "red" }}>
                    {${accessor(
                      "(errors as any)",
                      field.key,
                      field.accessor,
                      false,
                    )}?.message as string}
                </span>
            </label>
            `;
    }
    return undefined;
  };

  const basicInputFields = (field: InferField) => {
    if (
      field.type === "text" ||
      field.type === "url" ||
      field.type === "email" ||
      field.type === "number" ||
      field.type === "date" ||
      field.type === "richtext"
    ) {
      if (isIDKey(field.key)) {
        return undefined;
      }

      if (field.multiple) {
        return undefined;
      }

      const inp = field.type === "richtext" ? "textarea" : "input";

      return jsx`
                <label>
                    <span style={{ marginRight: "8px" }}>
                        ${translatePrettyString({
                          resource,
                          field,
                          i18n,
                          noQuotes: true,
                        })}
                    </span>
                    <${inp}
                        ${
                          field.type !== "date" && field.type !== "richtext"
                            ? `type="${field.type}"`
                            : ""
                        }
                        ${
                          inp === "textarea"
                            ? `
                            rows={5}
                            cols={33}
                            style={{ verticalAlign: "top" }}
                        `
                            : ""
                        }
                        {...register("${dotAccessor(
                          field.key,
                          undefined,
                          field.accessor,
                        )}", {
                            required: "This field is required",
                            ${
                              field.type === "number"
                                ? "valueAsNumber: true,"
                                : ""
                            }
                        })}

                    />
                    <span style={{ color: "red" }}>
                        {${accessor(
                          "(errors as any)",
                          field.key,
                          field.accessor,
                          false,
                        )}?.message as string}
                    </span>
                </label>
            `;
    }
    return undefined;
  };

  const booleanFields = (field: InferField) => {
    if (field.type === "boolean") {
      if (field.multiple) {
        return undefined;
      }

      return jsx`
                <label>
                    <span style={{ marginRight: "8px" }}>
                        ${translatePrettyString({
                          resource,
                          field,
                          i18n,
                          noQuotes: true,
                        })}
                    </span>
                    <input
                        type="checkbox"
                        {...register("${dotAccessor(
                          field.key,
                          undefined,
                          field.accessor,
                        )}", {
                            required: "This field is required",
                        })}
                    />
                    <span style={{ color: "red" }}>
                        {${accessor("errors", field.key, field.accessor, false)}?.message as string}
                    </span>
                </label>
            `;
    }
    return undefined;
  };

  const renderedFields: Array<string | undefined> = fields.map((field) => {
    switch (field?.type) {
      case "text":
      case "number":
      case "email":
      case "url":
      case "richtext":
      case "date":
        return basicInputFields(field);
      case "boolean":
        return booleanFields(field);
      case "relation":
        return renderRelationFields(field);
      default:
        return undefined;
    }
  });

  const canList = !!resource.list;

  noOp(imports);
  const useTranslateHook = i18n && "const translate = useTranslate();";

  return jsx`
    ${printImports(imports)}
    
    export const ${COMPONENT_NAME} = () => {
        ${useTranslateHook}
        ${
          canList
            ? `
        const { list } = useNavigation();
        `
            : ""
        }
        const {
            refineCore: { onFinish, formLoading },
            register,
            handleSubmit,
            resetField,
            formState: { errors },
        } = useForm(
            ${
              isCustomPage
                ? `
            { 
                refineCoreProps: {
                    resource: "${resource.name}",
                    action: "create",
                    ${getMetaProps(resource.identifier ?? resource.name, meta, [
                      "create",
                      "getOne",
                    ])}
                }
            }`
                : getMetaProps(resource.identifier ?? resource.name, meta, [
                      "create",
                      "getOne",
                    ])
                  ? `{
                        refineCoreProps: { ${getMetaProps(
                          resource.identifier ?? resource.name,
                          meta,
                          ["create", "getOne"],
                        )} }
                        }`
                  : ""
            }
        );
    
        ${relationHooksCode}

        return (
            <div style={{ padding: "16px" }}>
                <div style={{ display: "flex", justifyContent: ${
                  canList ? '"space-between"' : '"flex-start"'
                } }}>
                    <h1>${translateActionTitle({
                      resource,
                      action: "create",
                      i18n,
                    })}</h1>
                    ${
                      canList
                        ? jsx`
                            <div>
                        <button
                                onClick={() => {
                                    list("${resource.name}");
                                }}
                        >
                            ${translateActionTitle({
                              resource,
                              action: "list",
                              i18n,
                            })}
                        </button>
                        </div>
                    `
                        : ""
                    }
                </div>
                <form onSubmit={handleSubmit(onFinish)}>
                    <div style={{ display: "flex", flexDirection: "column", gap: "8px" }}>
                        ${renderedFields.join("")}
                        <div>
                            <input type="submit" value=${translateButtonTitle({
                              action: "save",
                              i18n,
                            })} />
                        </div>
                    </div>
                </form>
            </div>
        );
    };
    `;
};

/**
 * @experimental This is an experimental component
 */
export const CreateInferencer: InferencerResultComponent = createInferencer({
  type: "create",
  additionalScope: [
    ["@refinedev/react-hook-form", "RefineReactHookForm", { useForm }],
  ],
  codeViewerComponent: SharedCodeViewer,
  loadingComponent: LoadingComponent,
  errorComponent: ErrorComponent,
  renderer,
});