Add global Export validator

Author: Schmidely Stéphane

src/utils/commands/export/constants.ts

@@ -60,7 +60,6 @@ class Constants {
       interactive: flags.boolean({
         char: 'i',
         description: 'interactive mode',
-        multiple: false,
         default: false,
         required: false
       })

src/utils/commands/export/validators.ts

@@ -1,9 +1,55 @@
 import DateValidator from './validators/date-validator'
 import FormatValidator from './validators/format-validator'
 import ProjectValidator from './validators/project-validator'
+import SystemRequirementValidator from './validators/system-requirement-validator'
+
+export default class ExportValidator {
+  private executables = [
+    { name: 'Taskwarrior', cmd: 'task' },
+    { name: 'Timewarrior', cmd: 'timew' }
+  ]
+
+  /**
+   * Check that Taskwarrior and Timewarrior are installed
+   */
+  public checkRequirements(): Array<string> {
+    return this.executables.reduce((acc: Array<any>, executable) => {
+      const installed = new SystemRequirementValidator().isValid(executable)
+      return installed ? acc : acc.concat([executable])
+    }, [])
+  }
+
+  /**
+   * Check if all params are valid
+   */
+  public checkParams(params: any, availableFlagsValues: any) {
+    return Object.keys(params).reduce((acc: Array<any>, key) => {
+      const value = params[key]
+      let valid: boolean | string = true
+      switch (key) {
+        case 'format':
+          valid = new FormatValidator().isValid(value, availableFlagsValues.formats)
+          break
+        case 'project':
+          valid = new ProjectValidator().isValid(value, availableFlagsValues.projects)
+          break
+        case 'from':
+          valid = new DateValidator().isValid(value, {})
+          break
+        case 'to':
+          valid = new DateValidator().isValid(value, params)
+          break
+        default:
+          valid = `You should not be here with ${key}`
+      }
+      return valid !== true ? acc.concat([valid]) : acc
+    }, [])
+  }
+}
 
 export {
   DateValidator,
   FormatValidator,
-  ProjectValidator
+  ProjectValidator,
+  SystemRequirementValidator
 }

src/utils/commands/export/validators/format-validator.ts

@@ -6,12 +6,11 @@ import { Validator } from './validator'
  */
 export default class FormatValidator implements Validator {
   public isValid(format: string, availableFormats: Array<string>) {
-    let valid: boolean | any = availableFormats.some(availableFormat => {
+    let valid: boolean | string = availableFormats.some(availableFormat => {
       return format === availableFormat
     })
     if (!valid) {
-      valid = `Unknow format '${format}' `
-      valid += '(csv and json are currently supported)'
+      valid = `Unknow format '${format}' (csv and json are currently supported)`
     }
     return valid
   }

src/utils/commands/export/validators/project-validator.ts

@@ -5,12 +5,9 @@ import { Validator } from './validator'
  */
 export default class ProjectValidator implements Validator {
   public isValid(project: string, availableProjects: Array<string>) {
-    let valid: boolean | any = availableProjects.some(availableProject => {
+    let valid: boolean | string = availableProjects.some(availableProject => {
       return project === availableProject
     })
-    if (!valid) {
-      valid = `Unknown project '${project}'`
-    }
-    return valid
+    return valid || `Unknown project '${project}'`
   }
 }

src/utils/commands/export/validators/validator.ts

@@ -1,3 +1,3 @@
 export interface Validator {
-  isValid(value: string, arrayOfValues: Array<any> | null): boolean | string
+  isValid(value: string | any, arrayOfValues: Array<any> | null): boolean | string | Array<string>
 }