feat: enhance job form with currency, salary periods, contract types, and add ER diagram docs

backend/internal/dto/requests.go

@@ -7,8 +7,9 @@ type CreateJobRequest struct {
 	Description    string                 `json:"description" validate:"required,min=20"`
 	SalaryMin      *float64               `json:"salaryMin,omitempty"`
 	SalaryMax      *float64               `json:"salaryMax,omitempty"`
-	SalaryType     *string                `json:"salaryType,omitempty" validate:"omitempty,oneof=hourly monthly yearly"`
+	SalaryType     *string                `json:"salaryType,omitempty" validate:"omitempty,oneof=hourly daily weekly monthly yearly"`
-	EmploymentType *string                `json:"employmentType,omitempty" validate:"omitempty,oneof=full-time part-time dispatch contract"`
+	Currency       *string                `json:"currency,omitempty" validate:"omitempty,oneof=BRL USD EUR GBP JPY"`
+	EmploymentType *string                `json:"employmentType,omitempty" validate:"omitempty,oneof=full-time part-time dispatch contract temporary training voluntary permanent"`
 	WorkingHours   *string                `json:"workingHours,omitempty"`
 	Location       *string                `json:"location,omitempty"`
 	RegionID       *int                   `json:"regionId,omitempty"`
@@ -26,8 +27,9 @@ type UpdateJobRequest struct {
 	Description    *string                `json:"description,omitempty" validate:"omitempty,min=20"`
 	SalaryMin      *float64               `json:"salaryMin,omitempty"`
 	SalaryMax      *float64               `json:"salaryMax,omitempty"`
-	SalaryType     *string                `json:"salaryType,omitempty" validate:"omitempty,oneof=hourly monthly yearly"`
+	SalaryType     *string                `json:"salaryType,omitempty" validate:"omitempty,oneof=hourly daily weekly monthly yearly"`
-	EmploymentType *string                `json:"employmentType,omitempty" validate:"omitempty,oneof=full-time part-time dispatch contract"`
+	Currency       *string                `json:"currency,omitempty" validate:"omitempty,oneof=BRL USD EUR GBP JPY"`
+	EmploymentType *string                `json:"employmentType,omitempty" validate:"omitempty,oneof=full-time part-time dispatch contract temporary training voluntary permanent"`
 	WorkingHours   *string                `json:"workingHours,omitempty"`
 	Location       *string                `json:"location,omitempty"`
 	RegionID       *int                   `json:"regionId,omitempty"`

backend/internal/models/job.go

@@ -15,7 +15,8 @@ type Job struct {
 	// Salary
 	SalaryMin  *float64 `json:"salaryMin,omitempty" db:"salary_min"`
 	SalaryMax  *float64 `json:"salaryMax,omitempty" db:"salary_max"`
-	SalaryType *string  `json:"salaryType,omitempty" db:"salary_type"` // hourly, monthly, yearly
+	SalaryType *string  `json:"salaryType,omitempty" db:"salary_type"` // hourly, daily, weekly, monthly, yearly
+	Currency   *string  `json:"currency,omitempty" db:"currency"`      // BRL, USD, EUR, GBP, JPY
 
 	// Employment
 	EmploymentType *string `json:"employmentType,omitempty" db:"employment_type"` // full-time, part-time, dispatch, contract

backend/migrations/018_add_currency_to_jobs.sql

@@ -0,0 +1,21 @@
+-- Migration: Add currency to jobs and expand options
+-- Description: Adds currency field and expands salary_type and employment_type options
+
+-- Add currency column
+ALTER TABLE jobs ADD COLUMN IF NOT EXISTS currency VARCHAR(3) DEFAULT 'BRL';
+
+-- Update salary_type constraint to include more options
+ALTER TABLE jobs DROP CONSTRAINT IF EXISTS jobs_salary_type_check;
+ALTER TABLE jobs ADD CONSTRAINT jobs_salary_type_check 
+    CHECK (salary_type IN ('hourly', 'daily', 'weekly', 'monthly', 'yearly'));
+
+-- Update employment_type constraint to include more options
+ALTER TABLE jobs DROP CONSTRAINT IF EXISTS jobs_employment_type_check;
+ALTER TABLE jobs ADD CONSTRAINT jobs_employment_type_check 
+    CHECK (employment_type IN ('full-time', 'part-time', 'contract', 'temporary', 'training', 'voluntary', 'dispatch', 'permanent'));
+
+-- Add index for currency filtering
+CREATE INDEX IF NOT EXISTS idx_jobs_currency ON jobs(currency);
+
+-- Comments
+COMMENT ON COLUMN jobs.currency IS 'Currency code (BRL, USD, EUR, GBP, JPY, etc.)';

docs/DATABASE.md

@@ -1,108 +1,279 @@
 # Database Schema Documentation
 
-This document outlines the database schema for the GoHorseJobs platform, based on the backend Go models.
+This document outlines the database schema for the GoHorseJobs platform.
+
+## Entity Relationship Diagram
+
+```mermaid
+erDiagram
+    users {
+        int id PK
+        varchar identifier UK
+        varchar password_hash
+        varchar role
+        varchar full_name
+        varchar language
+        boolean active
+        timestamp created_at
+        timestamp updated_at
+        timestamp last_login_at
+    }
+    
+    companies {
+        int id PK
+        varchar name
+        varchar slug UK
+        varchar type
+        varchar document
+        varchar address
+        int region_id FK
+        int city_id FK
+        varchar phone
+        varchar email
+        varchar website
+        varchar logo_url
+        text description
+        boolean active
+        boolean verified
+        timestamp created_at
+        timestamp updated_at
+    }
+    
+    jobs {
+        int id PK
+        int company_id FK
+        int created_by FK
+        varchar title
+        text description
+        decimal salary_min
+        decimal salary_max
+        varchar salary_type
+        varchar currency
+        varchar employment_type
+        varchar work_mode
+        varchar working_hours
+        varchar location
+        int region_id FK
+        int city_id FK
+        jsonb requirements
+        jsonb benefits
+        boolean visa_support
+        varchar language_level
+        varchar status
+        boolean is_featured
+        timestamp created_at
+        timestamp updated_at
+    }
+    
+    applications {
+        int id PK
+        int job_id FK
+        int user_id FK
+        varchar name
+        varchar email
+        varchar phone
+        varchar line_id
+        varchar whatsapp
+        text message
+        varchar resume_url
+        jsonb documents
+        varchar status
+        text notes
+        timestamp created_at
+        timestamp updated_at
+    }
+    
+    regions {
+        int id PK
+        varchar name
+        varchar country_code
+        varchar code
+    }
+    
+    cities {
+        int id PK
+        int region_id FK
+        varchar name
+    }
+    
+    user_companies {
+        int id PK
+        int user_id FK
+        int company_id FK
+        varchar role
+        jsonb permissions
+    }
+    
+    favorite_jobs {
+        int id PK
+        int user_id FK
+        int job_id FK
+    }
+
+    users ||--o{ user_companies : "belongs to"
+    companies ||--o{ user_companies : "has members"
+    companies ||--o{ jobs : "posts"
+    users ||--o{ jobs : "creates"
+    jobs ||--o{ applications : "receives"
+    users ||--o{ applications : "submits"
+    regions ||--o{ cities : "contains"
+    regions ||--o{ companies : "located in"
+    cities ||--o{ companies : "located in"
+    regions ||--o{ jobs : "located in"
+    cities ||--o{ jobs : "located in"
+    users ||--o{ favorite_jobs : "saves"
+    jobs ||--o{ favorite_jobs : "saved by"
+```
 
 ## Core Tables
 
 ### Users (`users`)
 Represents system users including Candidates, Recruiters, and Admins.
-- **id**: `INTEGER` (PK)
+
-- **identifier**: `VARCHAR` (Unique, Email or Username)
+| Column | Type | Description |
-- **password_hash**: `VARCHAR`
+|--------|------|-------------|
-- **role**: `VARCHAR` (superadmin, companyAdmin, recruiter, jobSeeker)
+| id | INTEGER | Primary key |
-- **full_name**: `VARCHAR`
+| identifier | VARCHAR | Unique, Email or Username |
-- **language**: `VARCHAR` (Default: 'pt')
+| password_hash | VARCHAR | Bcrypt hash |
-- **active**: `BOOLEAN`
+| role | VARCHAR | `superadmin`, `companyAdmin`, `recruiter`, `jobSeeker` |
-- **created_at**, **updated_at**, **last_login_at**: `TIMESTAMP`
+| full_name | VARCHAR | Display name |
+| language | VARCHAR | Default: 'pt' |
+| active | BOOLEAN | Account status |
+| created_at | TIMESTAMP | Creation time |
+| updated_at | TIMESTAMP | Last update |
+| last_login_at | TIMESTAMP | Last login |
+
+---
 
 ### Companies (`companies`)
 Represents employer organizations.
-- **id**: `INTEGER` (PK)
+
-- **name**: `VARCHAR`
+| Column | Type | Description |
-- **slug**: `VARCHAR` (Unique)
+|--------|------|-------------|
-- **type**: `VARCHAR`
+| id | INTEGER | Primary key |
-- **document**: `VARCHAR` (Houjin Bangou / CNPJ)
+| name | VARCHAR | Company name |
-- **address**, **region_id**, **city_id**, **phone**, **email**, **website**: Contact info
+| slug | VARCHAR | URL-friendly identifier |
-- **logo_url**, **description**: Branding
+| type | VARCHAR | Company type |
-- **active**, **verified**: `BOOLEAN`
+| document | VARCHAR | Houjin Bangou / CNPJ |
-- **created_at**, **updated_at**: `TIMESTAMP`
+| address | VARCHAR | Physical address |
+| region_id | INTEGER | FK → regions.id |
+| city_id | INTEGER | FK → cities.id |
+| phone, email, website | VARCHAR | Contact info |
+| logo_url | VARCHAR | Logo image URL |
+| description | TEXT | Company description |
+| active | BOOLEAN | Active status |
+| verified | BOOLEAN | Verification status |
+
+---
 
 ### Jobs (`jobs`)
 Represents job postings.
-- **id**: `INTEGER` (PK)
+
-- **company_id**: `INTEGER` (FK -> companies.id)
+| Column | Type | Description |
-- **created_by**: `INTEGER` (FK -> users.id)
+|--------|------|-------------|
-- **title**: `VARCHAR`
+| id | INTEGER | Primary key |
-- **description**: `TEXT`
+| company_id | INTEGER | FK → companies.id |
-- **salary_min**, **salary_max**: `DECIMAL`
+| created_by | INTEGER | FK → users.id |
-- **salary_type**: `VARCHAR` (hourly, monthly, yearly)
+| title | VARCHAR | Job title |
-- **employment_type**: `VARCHAR` (full-time, part-time, etc.)
+| description | TEXT | Full job description |
-- **work_mode**: `VARCHAR` (onsite, hybrid, remote)
+| salary_min | DECIMAL | Minimum salary |
-- **location**, **region_id**, **city_id**: Location details
+| salary_max | DECIMAL | Maximum salary |
-- **requirements**, **benefits**: `JSONB`
+| salary_type | VARCHAR | `hourly`, `daily`, `weekly`, `monthly`, `yearly` |
-- **visa_support**: `BOOLEAN`
+| currency | VARCHAR | `BRL`, `USD`, `EUR`, `GBP`, `JPY` |
-- **language_level**: `VARCHAR`
+| employment_type | VARCHAR | `full-time`, `part-time`, `contract`, `temporary`, `training`, `voluntary`, `permanent`, `dispatch` |
-- **status**: `VARCHAR` (draft, published, closed, etc.)
+| work_mode | VARCHAR | `onsite`, `hybrid`, `remote` |
-- **is_featured**: `BOOLEAN`
+| working_hours | VARCHAR | e.g. "9:00-18:00" |
-- **created_at**, **updated_at**: `TIMESTAMP`
+| location | VARCHAR | Location string |
+| region_id | INTEGER | FK → regions.id |
+| city_id | INTEGER | FK → cities.id |
+| requirements | JSONB | Skills/requirements array |
+| benefits | JSONB | Benefits array |
+| visa_support | BOOLEAN | Visa sponsorship |
+| language_level | VARCHAR | `N5`, `N4`, `N3`, `N2`, `N1`, `beginner`, `none` |
+| status | VARCHAR | `draft`, `open`, `closed`, `published`, `paused`, `expired`, `archived`, `reported`, `review` |
+| is_featured | BOOLEAN | Featured job flag |
+
+---
 
 ### Applications (`applications`)
 Represents job applications.
-- **id**: `INTEGER` (PK)
+
-- **job_id**: `INTEGER` (FK -> jobs.id)
+| Column | Type | Description |
-- **user_id**: `INTEGER` (FK -> users.id, Nullable for guests)
+|--------|------|-------------|
-- **name**, **email**, **phone**, **line_id**, **whatsapp**: Applicant info
+| id | INTEGER | Primary key |
-- **message**: `TEXT`
+| job_id | INTEGER | FK → jobs.id |
-- **resume_url**: `VARCHAR`
+| user_id | INTEGER | FK → users.id (nullable for guests) |
-- **documents**: `JSONB`
+| name | VARCHAR | Applicant name |
-- **status**: `VARCHAR` (pending, reviewed, hired, etc.)
+| email | VARCHAR | Contact email |
-- **notes**: `TEXT`
+| phone | VARCHAR | Phone number |
-- **created_at**, **updated_at**: `TIMESTAMP`
+| line_id | VARCHAR | LINE ID |
+| whatsapp | VARCHAR | WhatsApp number |
+| message | TEXT | Cover message |
+| resume_url | VARCHAR | Resume file URL |
+| documents | JSONB | Additional documents |
+| status | VARCHAR | `pending`, `reviewed`, `shortlisted`, `rejected`, `hired` |
+| notes | TEXT | Recruiter notes |
+
+---
 
 ## Reference Tables
 
 ### Regions (`regions`)
-- **id**: `INTEGER` (PK)
+| Column | Type | Description |
-- **name**: `VARCHAR`
+|--------|------|-------------|
-- **country_code**: `VARCHAR`
+| id | INTEGER | Primary key |
-- **code**: `VARCHAR`
+| name | VARCHAR | Region name |
+| country_code | VARCHAR | e.g. "JP", "BR" |
+| code | VARCHAR | Region code |
 
 ### Cities (`cities`)
-- **id**: `INTEGER` (PK)
+| Column | Type | Description |
-- **region_id**: `INTEGER` (FK -> regions.id)
+|--------|------|-------------|
-- **name**: `VARCHAR`
+| id | INTEGER | Primary key |
+| region_id | INTEGER | FK → regions.id |
+| name | VARCHAR | City name |
 
-### Tags (`tags`)
+---
-- **id**: `INTEGER` (PK)
-- **name**: `VARCHAR`
-- **category**: `VARCHAR`
-- **active**: `BOOLEAN`
 
-## Relations & Logs
+## Junction Tables
 
 ### User Companies (`user_companies`)
-Maps Users to Companies (N:M).
+Maps users to companies (N:M relationship).
-- **id**: `INTEGER` (PK)
+
-- **user_id**: `INTEGER` (FK -> users.id)
+| Column | Type | Description |
-- **company_id**: `INTEGER` (FK -> companies.id)
+|--------|------|-------------|
-- **role**: `VARCHAR` (companyAdmin, recruiter)
+| id | INTEGER | Primary key |
-- **permissions**: `JSONB`
+| user_id | INTEGER | FK → users.id |
+| company_id | INTEGER | FK → companies.id |
+| role | VARCHAR | `companyAdmin`, `recruiter` |
+| permissions | JSONB | Custom permissions |
 
 ### Favorite Jobs (`favorite_jobs`)
-- **id**: `INTEGER` (PK)
+| Column | Type | Description |
-- **user_id**: `INTEGER`
+|--------|------|-------------|
-- **job_id**: `INTEGER`
+| id | INTEGER | Primary key |
+| user_id | INTEGER | FK → users.id |
+| job_id | INTEGER | FK → jobs.id |
+
+---
+
+## Audit Tables
 
 ### Login Audits (`login_audits`)
-- **id**: `INTEGER` (PK)
+| Column | Type | Description |
-- **user_id**: `VARCHAR`
+|--------|------|-------------|
-- **identifier**: `VARCHAR`
+| id | INTEGER | Primary key |
-- **ip_address**, **user_agent**: Metadata
+| user_id | VARCHAR | User identifier |
-- **created_at**: `TIMESTAMP`
+| identifier | VARCHAR | Login identifier used |
+| ip_address | VARCHAR | Client IP |
+| user_agent | VARCHAR | Browser/client info |
+| created_at | TIMESTAMP | Login time |
 
 ### Password Resets (`password_resets`)
-- **id**: `INTEGER` (PK)
+| Column | Type | Description |
-- **user_id**: `INTEGER`
+|--------|------|-------------|
-- **token**: `VARCHAR`
+| id | INTEGER | Primary key |
-- **expires_at**: `TIMESTAMP`
+| user_id | INTEGER | FK → users.id |
-- **used**: `BOOLEAN`
+| token | VARCHAR | Reset token |
+| expires_at | TIMESTAMP | Token expiry |
+| used | BOOLEAN | Token used status |

frontend/src/app/dashboard/jobs/new/page.tsx

@@ -36,6 +36,7 @@ export default function NewJobPage() {
         salaryMin: "",
         salaryMax: "",
         salaryType: "",
+        currency: "BRL",
         workingHours: "",
     })
 
@@ -89,6 +90,7 @@ export default function NewJobPage() {
                 salaryMin: formData.salaryMin ? parseFloat(formData.salaryMin) : undefined,
                 salaryMax: formData.salaryMax ? parseFloat(formData.salaryMax) : undefined,
                 salaryType: formData.salaryType as CreateJobPayload['salaryType'] || undefined,
+                currency: formData.currency as CreateJobPayload['currency'] || undefined,
                 workingHours: formData.workingHours || undefined,
                 status: "published",
             }
@@ -251,30 +253,51 @@ export default function NewJobPage() {
                                     />
                                 </div>
                             </div>
-                            <div className="grid grid-cols-2 gap-4">
+                            <div className="grid grid-cols-3 gap-4">
                                 <div className="space-y-2">
-                                    <Label>Salary Type</Label>
+                                    <Label>Currency</Label>
+                                    <Select value={formData.currency} onValueChange={(v) => updateField("currency", v)}>
+                                        <SelectTrigger>
+                                            <SelectValue placeholder="Currency" />
+                                        </SelectTrigger>
+                                        <SelectContent>
+                                            <SelectItem value="BRL">R$ (BRL)</SelectItem>
+                                            <SelectItem value="USD">$ (USD)</SelectItem>
+                                            <SelectItem value="EUR">€ (EUR)</SelectItem>
+                                            <SelectItem value="GBP">£ (GBP)</SelectItem>
+                                            <SelectItem value="JPY">¥ (JPY)</SelectItem>
+                                        </SelectContent>
+                                    </Select>
+                                </div>
+                                <div className="space-y-2">
+                                    <Label>Salary Period</Label>
                                     <Select value={formData.salaryType} onValueChange={(v) => updateField("salaryType", v)}>
                                         <SelectTrigger>
                                             <SelectValue placeholder="Select period" />
                                         </SelectTrigger>
                                         <SelectContent>
                                             <SelectItem value="hourly">Per hour</SelectItem>
+                                            <SelectItem value="daily">Per day</SelectItem>
+                                            <SelectItem value="weekly">Per week</SelectItem>
                                             <SelectItem value="monthly">Per month</SelectItem>
                                             <SelectItem value="yearly">Per year</SelectItem>
                                         </SelectContent>
                                     </Select>
                                 </div>
                                 <div className="space-y-2">
-                                    <Label>Employment Type</Label>
+                                    <Label>Contract Type</Label>
                                     <Select value={formData.employmentType} onValueChange={(v) => updateField("employmentType", v)}>
                                         <SelectTrigger>
                                             <SelectValue placeholder="Select type" />
                                         </SelectTrigger>
                                         <SelectContent>
+                                            <SelectItem value="permanent">Permanent</SelectItem>
                                             <SelectItem value="full-time">Full-time</SelectItem>
                                             <SelectItem value="part-time">Part-time</SelectItem>
                                             <SelectItem value="contract">Contract</SelectItem>
+                                            <SelectItem value="temporary">Temporary</SelectItem>
+                                            <SelectItem value="training">Training</SelectItem>
+                                            <SelectItem value="voluntary">Voluntary</SelectItem>
                                             <SelectItem value="dispatch">Dispatch</SelectItem>
                                         </SelectContent>
                                     </Select>
@@ -348,7 +371,7 @@ export default function NewJobPage() {
                                     <p className="text-sm text-muted-foreground">Salary</p>
                                     <p className="font-medium">
                                         {formData.salaryMin || formData.salaryMax
-                                            ? `R$ ${formData.salaryMin || "?"} - R$ ${formData.salaryMax || "?"} ${formData.salaryType ? `(${formData.salaryType})` : ""}`
+                                            ? `${formData.currency} ${formData.salaryMin || "?"} - ${formData.salaryMax || "?"} ${formData.salaryType ? `(${formData.salaryType})` : ""}`
                                             : "-"}
                                     </p>
                                 </div>

frontend/src/lib/api.ts

@@ -290,8 +290,9 @@ export interface CreateJobPayload {
     description: string;
     salaryMin?: number;
     salaryMax?: number;
-    salaryType?: 'hourly' | 'monthly' | 'yearly';
+    salaryType?: 'hourly' | 'daily' | 'weekly' | 'monthly' | 'yearly';
-    employmentType?: 'full-time' | 'part-time' | 'dispatch' | 'contract';
+    currency?: 'BRL' | 'USD' | 'EUR' | 'GBP' | 'JPY';
+    employmentType?: 'full-time' | 'part-time' | 'dispatch' | 'contract' | 'temporary' | 'training' | 'voluntary' | 'permanent';
     workingHours?: string;
     location?: string;
     status: 'draft' | 'published' | 'open';

seeder-api/src/seeders/jobs.js

@@ -93,15 +93,19 @@ export async function seedJobs() {
                 const salaryMin = template.salaryRange[0] + getRandomInt(-2000, 2000);
                 const salaryMax = template.salaryRange[1] + getRandomInt(-2000, 3000);
 
-                const employmentTypes = ['full-time', 'part-time', 'contract'];
+                const employmentTypes = ['full-time', 'part-time', 'contract', 'permanent', 'temporary', 'training'];
-                const employmentType = employmentTypes[i % employmentTypes.length]; // Deterministic variety
+                const currencies = ['BRL', 'BRL', 'BRL', 'BRL', 'BRL', 'BRL', 'BRL', 'USD', 'USD', 'EUR']; // 70% BRL, 20% USD, 10% EUR
+                const salaryTypes = ['hourly', 'daily', 'weekly', 'monthly', 'yearly'];
+                const employmentType = employmentTypes[i % employmentTypes.length];
+                const currency = currencies[i % currencies.length];
+                const salaryType = salaryTypes[i % salaryTypes.length];
                 const jobId = crypto.randomUUID();
 
                 await pool.query(`
                     INSERT INTO jobs (id, company_id, created_by, title, description, 
-                        salary_min, salary_max, salary_type, employment_type, working_hours,
+                        salary_min, salary_max, salary_type, currency, employment_type, working_hours,
                         location, requirements, benefits, visa_support, language_level, status, work_mode)
-                    VALUES ($1, $2, $3, $4, $5, $6, $7, $8, $9, $10, $11, $12, $13, $14, $15, $16, $17)
+                    VALUES ($1, $2, $3, $4, $5, $6, $7, $8, $9, $10, $11, $12, $13, $14, $15, $16, $17, $18)
                 `, [
                     jobId,
                     company.id,
@@ -110,7 +114,8 @@ export async function seedJobs() {
                     `We are looking for a talented ${title} to join our ${company.name} team. Your role as ${level} will be crucial.`,
                     salaryMin,
                     salaryMax,
-                    'monthly',
+                    salaryType,
+                    currency,
                     employmentType,
                     workMode === 'remote' ? 'Flexible' : '9:00-18:00',
                     workMode === 'remote' ? 'Remote (Global)' : internationalLocations[i % internationalLocations.length],