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* Subscription Check Functions
*
* Server-side functions to check subscription limits and features
*/
import { createClient } from '@/lib/supabase/server';
import {
getTierLimits,
canAddMore,
hasFeature,
type SubscriptionTier,
type TierLimits,
} from './tiers';
export interface UserSubscriptionInfo {
tier: SubscriptionTier;
limits: TierLimits;
counts: {
samples: number;
testimonials: number;
packages: number;
};
canAdd: {
samples: boolean;
testimonials: boolean;
packages: boolean;
};
remaining: {
samples: number;
testimonials: number;
packages: number;
};
}
/**
* Get user's subscription info with current counts
*/
export async function getUserSubscriptionInfo(
userId: string
): Promise<UserSubscriptionInfo | null> {
const supabase = await createClient();
// Get profile with subscription tier
const { data: profile } = await supabase
.from('profiles')
.select('id, subscription_tier')
.eq('user_id', userId)
.single();
if (!profile) return null;
const tier = (profile.subscription_tier || 'free') as SubscriptionTier;
const limits = getTierLimits(tier);
// Get current counts
const [samplesResult, testimonialsResult, packagesResult] = await Promise.all([
supabase.from('samples').select('id', { count: 'exact' }).eq('profile_id', profile.id),
supabase.from('testimonials').select('id', { count: 'exact' }).eq('profile_id', profile.id),
supabase.from('packages').select('id', { count: 'exact' }).eq('profile_id', profile.id),
]);
const counts = {
samples: samplesResult.count || 0,
testimonials: testimonialsResult.count || 0,
packages: packagesResult.count || 0,
};
const remaining = {
samples:
limits.maxSamples === Infinity ? Infinity : Math.max(0, limits.maxSamples - counts.samples),
testimonials:
limits.maxTestimonials === Infinity
? Infinity
: Math.max(0, limits.maxTestimonials - counts.testimonials),
packages:
limits.maxPackages === Infinity
? Infinity
: Math.max(0, limits.maxPackages - counts.packages),
};
return {
tier,
limits,
counts,
canAdd: {
samples: canAddMore(tier, 'samples', counts.samples),
testimonials: canAddMore(tier, 'testimonials', counts.testimonials),
packages: canAddMore(tier, 'packages', counts.packages),
},
remaining,
};
}
/**
* Check if user can add a specific item type
*/
export async function checkCanAdd(
userId: string,
itemType: 'samples' | 'testimonials' | 'packages'
): Promise<{ allowed: boolean; reason?: string; suggestedTier?: SubscriptionTier }> {
const info = await getUserSubscriptionInfo(userId);
if (!info) {
return { allowed: false, reason: 'Profile not found' };
}
if (info.canAdd[itemType]) {
return { allowed: true };
}
// Determine upgrade suggestion
let suggestedTier: SubscriptionTier | undefined;
const tierOrder: SubscriptionTier[] = ['basic', 'pro', 'premium'];
for (const tier of tierOrder) {
if (tier === info.tier) continue;
const tierLimits = getTierLimits(tier);
const maxField =
itemType === 'samples'
? tierLimits.maxSamples
: itemType === 'testimonials'
? tierLimits.maxTestimonials
: tierLimits.maxPackages;
if (maxField > info.counts[itemType]) {
suggestedTier = tier;
break;
}
}
const itemName = itemType === 'samples' ? 'work samples' : itemType;
return {
allowed: false,
reason: `You've reached the maximum ${itemName} for your ${info.tier} plan`,
suggestedTier,
};
}
/**
* Check if user has access to a specific feature
*/
export async function checkFeatureAccess(
userId: string,
feature: keyof TierLimits['features']
): Promise<{ allowed: boolean; tier: SubscriptionTier; requiredTier?: SubscriptionTier }> {
const supabase = await createClient();
const { data: profile } = await supabase
.from('profiles')
.select('subscription_tier')
.eq('user_id', userId)
.single();
const tier = (profile?.subscription_tier || 'free') as SubscriptionTier;
if (hasFeature(tier, feature)) {
return { allowed: true, tier };
}
// Find the minimum required tier for this feature
const tierOrder: SubscriptionTier[] = ['basic', 'pro', 'premium'];
let requiredTier: SubscriptionTier | undefined;
for (const t of tierOrder) {
if (hasFeature(t, feature)) {
requiredTier = t;
break;
}
}
return { allowed: false, tier, requiredTier };
}
/**
* Get user's current tier (quick lookup)
*/
export async function getUserTier(userId: string): Promise<SubscriptionTier> {
const supabase = await createClient();
const { data: profile } = await supabase
.from('profiles')
.select('subscription_tier')
.eq('user_id', userId)
.single();
return (profile?.subscription_tier || 'free') as SubscriptionTier;
}
/**
* Server action to validate item addition (use in API routes)
*/
export async function validateItemAddition(
userId: string,
itemType: 'samples' | 'testimonials' | 'packages'
): Promise<{ valid: boolean; error?: string }> {
const check = await checkCanAdd(userId, itemType);
if (!check.allowed) {
return {
valid: false,
error: check.reason || `Cannot add more ${itemType}. Please upgrade your plan.`,
};
}
return { valid: true };
}
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