@gmetrixr/rjson/lib/esm/migrations/globalVariables/index.js

(R)ecursive Json

import { createRecord, RT } from "../../r";
import { VarCategory } from "../../r/definitions/variables/VariableTypes";
/**
 * Because global variables "Definitions" are stored in the db in an older format, we use function to migrate them to the latest format
 * Once all global variables definitions are migrated in the DB, we can stop calling this function
 */
export const migrateGlobalVarsDefitions = (oldGlobalVarMap) => {
    const globalVarsRM = {};
    for (const [oldGId, oldGValue] of Object.entries(oldGlobalVarMap)) {
        //First if the oldGValue of newer or older format.
        //Newer format will be of type RecordNode. So it will have an "id" field. We can check for that.
        if (oldGValue.id !== undefined) {
            //We are already at the latest format. So change nothing.
            globalVarsRM[oldGId] = oldGValue;
            continue;
        }
        const globalVar = createRecord(RT.variable, Number(oldGId), oldGValue.var_name);
        // copy over relevant properties
        globalVar.name = oldGValue.var_name;
        globalVar.props = oldGValue;
        globalVar.props.var_category = VarCategory.global;
        // delete older properties
        delete oldGValue.var_id;
        delete oldGValue.var_name;
        delete oldGValue.var_global;
        globalVarsRM[oldGId] = globalVar;
    }
    return globalVarsRM;
};
/**
 * This is the reverse of the migrateGlbalVars "Definitions" function, needed before saving back the global vars definitions into the db
 * Convert back into the older format. We can stop using this now, as there is a fallback in migrateGlobalVarsDefitions
 * to ignore conversion of values which are already in the latest format
 */
export const deprecateGlobalVarsRecordMap = (globalVarsRM) => {
    const oldGlobalVariableStructureMap = {};
    for (const [gId, gValue] of Object.entries(globalVarsRM)) {
        const oldGlobalVar = gValue.props;
        oldGlobalVar.var_id = Number(gId);
        oldGlobalVar.var_name = gValue.name;
        oldGlobalVar.var_global = true;
        delete oldGlobalVar["var_category"];
        oldGlobalVariableStructureMap[gId] = oldGlobalVar;
    }
    return oldGlobalVariableStructureMap;
};